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Tohoku University geophysicist Yuto Katoh led a study into the activity of high energy electrons and clarified the unexpected role of the geomagnetic field surrounding the Earth in protecting.
Understanding the ionosphere high in the Earth's atmosphere is important due to its effects on communications systems, satellit... | Chemistry and Material Sciences |
Study highlights the young age of permanently shadowed lunar areas
Most of the moon's permanently shadowed areas arose less than 2.2 billion years ago and some trapped ice during the recent past, according to research led by Planetary Science Institute Senior Scientist Norbert Schorghofer.
"These findings change the pr... | Chemistry and Material Sciences |
We've discovered how diamonds make their way to the surface and it may tell us where to find them
"A diamond is forever." That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity.
But our new research, carried out by researchers... | Chemistry and Material Sciences |
A galactic archaeology project has revealed the Milky Way’s neighboring galaxy, Andromeda, has a violent and dramatic history.
An international team of astrophysicists looked at the chemical compositions of stars in Andromeda, which is the closest large galaxy to our own. The goal wasto reconstruct its past. Sure enoug... | Chemistry and Material Sciences |
Salts and organics observed on Ganymede's surface by NASA's Juno
Data collected by NASA's Juno mission indicates a briny past may be bubbling to the surface on Jupiter's largest moon.
NASA's Juno mission has observed mineral salts and organic compounds on the surface of Jupiter's moon Ganymede. Data for this discovery ... | Chemistry and Material Sciences |
Scientists may have finally figured out why Earth's precious metals appear close to the surface, despite being so dense they should have sunk to the core. Turns out, they got stuck in gooey, half-melted rock after giant space rocks — some, perhaps, as large as the moon — smashed into Earth.
The abundance of precious me... | Chemistry and Material Sciences |
Scientists have made an exciting and potentially ground-breaking discovery in the search for alien life, after detecting signs of a gas produced only by living organisms on a distant water planet.
K2-18 b, which is more than eight times the size of Earth and 120 light-years away from us, sits within the habitable zone... | Chemistry and Material Sciences |
We’ve all been there: You’re getting some peanut butter, or looking to nosh a nice pickle, when you find your wrist strength is insufficient to get at the jar’s delicious contents. That’s more or less NASA’s vexing issue with the OSIRIS-REx asteroid samples—though, of course, that canister’s contents aren’t for eating.... | Chemistry and Material Sciences |
A scientist recently claimed that NASA may have inadvertently discovered life on Mars almost 50 years ago and then accidentally killed it before realizing what it was. But other experts are split on whether the new claims are a far-fetched fantasy or an intriguing possible explanation for some puzzling past experiments... | Chemistry and Material Sciences |
In October 2020, NASA's OSIRIS-REx spacecraft approached the asteroid Bennu. The probe, which had been orbiting its target for nearly two years, lowered a robotic arm and scooped up about 4.4 pounds (2 kilograms) of dusty, rocky material from the asteroid's surface. This material is the first sample of an asteroid coll... | Chemistry and Material Sciences |
Mars has a heavy heart after all.
The Red Planet has a dense core of liquid iron surrounded by a relatively thin layer of molten rock, researchers report. The finding resolves a recent conundrum that came about when seismic measurements on Mars seemed to suggest that the planet had a surprisingly large, light core rich... | Chemistry and Material Sciences |
An Archive of the Stars Is Born
Last month, a capsule aboard NASA’s OSIRIS-REx spacecraft finished a seven-year, 4 billion-mile journey from Earth to the asteroid Bennu and back, when it plummeted in a fiery descent to the Utah desert. Inside lay cradled about a half-pound of rubble captured from Bennu—the United State... | Chemistry and Material Sciences |
Astronomers have turned to deep learning to simulate cosmic explosions that occur when massive stars die, in order to improve their understanding of galactic formation and evolution.
More accurate modeling of tricky-to-simulate aspects of supernovas could shed light on how the chemical elements needed for life are disp... | Chemistry and Material Sciences |
Earlier this month operators at Webb identified a planet that may contain both a protective atmosphere and a surface covered entirely in oceans—also known as a Hycean world.
One of the main functions of the James Webb Space Telescope is to advance the search for life in the universe by being able to study exoplanets as... | Chemistry and Material Sciences |
The Indian Space Research Organisation’s (ISRO) Moon lander Vikram and robotic rover Pragyan have now been told to go to sleep. ISRO hopes to awaken them at lunar dawn on 22 September.
But in their two-week sojourn around the Moon’s south pole, they provided insights that have planetary scientists abuzz. Here are some ... | Chemistry and Material Sciences |
A small capsule carrying pristine specimens from an asteroid parachuted to landing in the Utah desert Sunday, capping a seven-year voyage through the Solar System to bring home samples for eager scientists seeking clues about the origins of life.
NASA's OSIRIS-REx mission brought back the largest unspoiled sample of ma... | Chemistry and Material Sciences |
A NASA capsule carrying the largest sample ever collected from an asteroid has returned to Earth.
The capsule, which landed in the Utah desert, contained around 250g of rocks and dust collected from asteroid Bennu as part of NASA's Osiris-Rex mission.
Experts say the carbon-rich, near-Earth asteroid serves as a time ... | Chemistry and Material Sciences |
Hexagon-tiled rock newly uncovered on Mars suggests that the Red Planet underwent a repeated cycle of wet and dry spells for up to millions of years that could have supported the emergence of life, a new study finds.
Although Mars is now cold and dry, researchers have for decades found evidence suggesting that the plan... | Chemistry and Material Sciences |
Nasa's James Webb Space Telescope may have discovered tentative evidence of a sign of life on a faraway planet.
It may have detected a molecule called dimethyl sulphide (DMS). On Earth, at least, this is only produced by life.
The researchers stress that the detection on the planet 120 light years away is "not robust" ... | Chemistry and Material Sciences |
Scientists have recently unveiled compelling new data about the Psyche asteroid, a celestial object laden with precious metals and valued at an astounding $10,000 quadrillion. NASA’s Psyche Mission launches in October 2023 with the goal of sorting fact from fiction.
This vast wealth theorized by astronomers and mission... | Chemistry and Material Sciences |
Mysterious ultra-high energy source investigated by astronomers
Astronomers from the University of Maryland and the Michigan Technological University, have inspected a mysterious ultra-high energy gamma-ray source known as LHAASO J2108+5157. Results of the study, published August 31 on the pre-print server arXiv, could... | Chemistry and Material Sciences |
Neptune, the eighth and final planet from the sun, is known for its trails of wispy white clouds made up of crystals of frozen methane.
Strong winds whip these clouds across the ice giant at speeds of more than 1,200 mph – the fastest recorded anywhere in the solar system.
But a new study shows they have now all but ... | Chemistry and Material Sciences |
By analyzing tiny lunar crystals gathered by Apollo 17 astronauts in 1972, researchers recalculated the age of the Earth’s Moon. Although previous assessments estimated the Moon as 4.425 billion years old, the new study discovered it is actually 4.46 billion years old — 40 million years older than previously thought.
L... | Chemistry and Material Sciences |
NASA/JPL-Caltech
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An artist's conception of the Psyche spacecraft approaching an asteroid that's largely composed of metal.
NASA/JPL-Caltech
An artist's conception of the Psyche spacecraft approaching an asteroid that's largely composed of metal.
NASA/JPL-Caltech
NASA is about to launch a spacecraft on a ... | Chemistry and Material Sciences |
Study sheds new light on strange lava worlds
Lava worlds, massive exoplanets home to sparkling skies and roiling volcanic seas called magma oceans, are distinctly unlike the planets in our solar system.
To date, nearly 50% of all rocky exoplanets yet discovered have been found capable of maintaining magma on their surf... | Chemistry and Material Sciences |
On the morning of Oct. 12, if everything goes to plan, NASA will be sending a high-tech spacecraft called Psyche on a 2.2 billion mile journey to an intriguing asteroid by the same name. Well, to be clear, the asteroid is known as 16 Psyche.
The goal of the Psyche mission is to study this space rock in great detail bec... | Chemistry and Material Sciences |
Data from a meteorite impact on Mars that was recorded by NASA’s InSight lander in 2021 is now helping to clear up some confusion about the red planet’s interior makeup. A pair of studies published today in the journal Nature separately determined that Mars’ iron-rich core is smaller and denser than previous measuremen... | Chemistry and Material Sciences |
The OSIRIS-REx canister still contains the bulk of the asteroid sample inside, but pieces of the ancient space rock found on the outside have already shown evidence of organic matter embedded within tiny bits of debris.
On Wednesday, NASA revealed the first look at samples returned from asteroid Bennu through its OSIRI... | Chemistry and Material Sciences |
Osiris-Rex: NASA reveals evidence of water and carbon in sample delivered to Earth from an asteroid
On September 24 this year, a NASA capsule parachuted down to Earth carrying a precious cache of material grabbed from an asteroid. The space agency has now revealed images and a preliminary analysis of the space rocks it... | Chemistry and Material Sciences |
Jupiter’s orbit is swarming with nearly 100 moons, but none are as hardcore as the volcanic world Io. That’s why it’s going to take an iconic collaboration to truly probe the odd satellite in order to unravel its many mysteries.
The Southwest Research Institute (SwRI) will use the Hubble and James Webb telescopes to si... | Chemistry and Material Sciences |
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more.
Astronomers using the James Webb Space Telescope have for the first time detected tiny quartz crystals containing silica — a common mineral on Earth — within the atmosphere of... | Chemistry and Material Sciences |
Astronomers announced the discovery of the first-ever 'boomerang meteorite' - a rock that originated from Earth, was ejected into space and later returned.
The meteorite, NWA 13188, was uncovered in the Sahara Desert, and scientists at Aix-Marseille University in France conducted a new analysis, finding it has charact... | Chemistry and Material Sciences |
Researchers report on the atmosphere of hot Jupiter HD 189733b
Scientists from the Institute of Laser Physics of the Siberian Branch of the Russian Foundation for Basic Research have modeled the atmosphere of the well-known "hot Jupiter" HD 189733b and have learned what hindered a stable finding of hydrogen in the atmo... | Chemistry and Material Sciences |
India's Chandrayaan-3 mission successfully landed near the moon's south pole on Wednesday (Aug. 23). The Indian Space Research Organization (IRSO) mission not only made history because it saw the nation become the fourth to successfully land on the moon — after the Soviet Union, the U.S. and China — but also because it... | Chemistry and Material Sciences |
weic2321 — Science Release
Webb discovers methane, carbon dioxide in atmosphere of K2-18 b
11 September 2023
A new investigation by an international team of astronomers using data from the NASA/ESA/CSA James Webb Space Telescope into K2-18 b, an exoplanet 8.6 times as massive as Earth, has revealed the presence of carb... | Chemistry and Material Sciences |
The breakup of supercontinents may trigger explosive eruptions that send fountains of diamonds shooting up to Earth's surface.
Diamonds form deep in Earth's crust, approximately 93 miles (150 kilometers) down. They are brought up to the surface very quickly in eruptions called kimberlites. These kimberlites travel at b... | Chemistry and Material Sciences |
For nearly twenty years, scientists have tracked puzzling signals from a massive planet known as '55 Cancri e.'
The fiery 'hell planet' — a so-called super-Earth nearly 40 light years away — can reach temperatures above 4,400 degrees Fahrenheit on its daylight side.
Soon, with help from the James Webb Space Telescope... | Chemistry and Material Sciences |
J. Robert Oppenheimer, now the protagonist of a much-anticipated film hitting theaters on July 21, is today most known for his scientific leadership of the U.S. Manhattan Project, the World War II–era crash program to build the first-ever atomic bombs. But just a few years earlier, Oppenheimer had found himself ponderi... | Chemistry and Material Sciences |
Chandrayaan-3 Makes First-Ever Measurements Of Near-Surface Lunar Plasma Environment
The initial assessment of the first-ever measurements of the near-surface lunar plasma environment over the south pole region by RAMBHA-LP payload onboard Chandrayaan-3 lander indicates that plasma there is relatively sparse.
The initi... | Chemistry and Material Sciences |
It is a remarkable age that we live in — a time when astronomers have the ability to capture direct footage of space explosions that happened long before you and I existed. Such is the case for a cosmic time-lapse video scientists released on Thursday (Sept. 28).
Constructed from about 20 years of Hubble Space Telescop... | Chemistry and Material Sciences |
Finding out more about the mysteries of life’s origins on Earth is important, especially as we try to find life beyond our solar system. A new bit of research could change everything, finally bridging how Earth went from being a lifeless marble to the teeming planet that we know today.
See, the journey to figure out ho... | Chemistry and Material Sciences |
ESA astronomers will get 8pc of the available observing time on XRISM, a US-Japan mission that European astronomers have contributed hardware and advice to.
The European Space Agency (ESA) has confirmed that the latest x-ray mission it is a part of is ready to launch on 26 August to study some of the most energetic obj... | Chemistry and Material Sciences |
While the James Webb Space Telescope observed the atmosphere of an alien world 120 light-years away, it picked up hints of a substance only made by living things — at least, that is, on Earth.
This molecule, known as dimethyl sulfide, is primarily produced by phytoplankton, microscopic plant-like organisms in salty sea... | Chemistry and Material Sciences |
Diamonds contain evidence of the mantle rocks that helped buoy and grow the ancient supercontinent Gondwana from below, according to new research from a team of scientists led by Suzette Timmerman -- formerly of the University of Alberta and now at the University of Bern -- and including Carnegie's Steven Shirey, Micha... | Chemistry and Material Sciences |
Scientists find 'missing ingredient' for pink diamonds
Scientists said on Tuesday they have found the "missing ingredient" for pink diamonds, some of the world's most expensive stones due their rarity and beauty, and the discovery could help find more.
More than 90 percent of all the pink diamonds ever found were disco... | Chemistry and Material Sciences |
The James Webb Space Telescope (JWST) has discovered that galaxies in the early universe were cosmic rule-breakers. This discovery sheds light on how early galaxies evolved and the fundamental processes that shaped the universe as we see it today.
To discover the truth about these cosmic scofflaws, a team of astronomer... | Chemistry and Material Sciences |
Earth may owe its supply of pink diamonds to the breakup of the planet's first supercontinent.
The Argyle formation in western Australia is the source of 90% of pink diamonds on Earth. It's an odd spot for diamonds: at the edge of a continent rather than in the center, where most diamond mines tend to be, and in a type... | Chemistry and Material Sciences |
Nasa’s Psyche spacecraft rocketed away Friday on a six-year journey to a rare metal-covered asteroid.
Most asteroids tend to be rocky or icy, and this is the first exploration of a metal world. Scientists believe it may be the battered remains of an early planet’s core, and could shed light on the inaccessible centers ... | Chemistry and Material Sciences |
"The cosmos is within us. We are made of star stuff. We are a way for the universe to know itself." Carl Sagan
During the course of his 1980s mini-series "Cosmos," astronomer and science communicator Carl Sagan said many inspirational and profound things based on our understanding of the universe. But arguably, none ha... | Chemistry and Material Sciences |
Scientists may have made a major breakthrough in the quest to produce limitless energy. According to a new study published in the journal American Chemical Society, scientists are looking deeper at a molecule known as azulene, which is a blue-light emitting molecule that seems to flout the fundamental rules of photoche... | Chemistry and Material Sciences |
Mars: new evidence of an environment conducive to the emergence of life
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Using data from NASA's Curiosity rover, scientists at the CNRS, Université Toulouse III – Paul Sabatier and Université Claude Bernard Lyon 1, with the participation of CNES, have discovered patterns on Mars that provide evidence of a cyclical c... | Chemistry and Material Sciences |
NASA has launched a mission to a rare asteroid covered in metal that is two billion miles (3.6bn km) and six years' travel time away from Earth.
Scientists hope exploring the Psyche asteroid will help them understand more about how Earth formed and what makes it habitable.
Lead scientist Lindy Elkins-Tanton, of Arizo... | Chemistry and Material Sciences |
Saturday Citations: Muons and the standard model, refuting an apocalypse, stellar tidal waves
This week on phys.org, we published news about muons, gigantic stellar waves, a Homo-erectus-thwarting mini ice age, and a new whale guy.
Particle wobbles: Macro-scale physicists have achieved nanoscale precision measurements ... | Chemistry and Material Sciences |
The Webb Space Telescope has made its latest significant discovery: the observation of carbon dioxide coming from a part of Europa, the frozen moon orbiting Jupiter which harbors a salty water ocean under its icy surface.
The finding is a boost for astrobiology, or the search for life beyond Earth. Carbon is critical f... | Chemistry and Material Sciences |
Exploring the lunar south pole: Lessons from Chandrayaan-3
On August 23 the Indian Space Research Organisation (ISRO) successfully landed a spacecraft on the moon's south pole, a location that has always been of particular interest to scientists due to the unique conditions created by the planet's extremities.
The moon... | Chemistry and Material Sciences |
On the Orion arm of the Milky Way galaxy, around 93 million miles (150 million kilometres) from the yellow dwarf star it orbits, is a medium-sized rocky planet. At the edge of a vast southern ocean, are the gently lapping waters of a hot-pink lake. With snow-white, crystalline shores, and more than 38 times the salt co... | Chemistry and Material Sciences |
From asteroids to alien annihilation, Hollywood disaster movies have envisioned just about every possibility for how the world might end.
But if some of these apocalyptic scenarios seem a little far-fetched, it turns out there's a much more sinister threat from space that is actually rooted in science.
This rare and ... | Chemistry and Material Sciences |
NASA/JPL-Caltech
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New analysis has found a source of carbon within Europa, Jupiter's moon that is believed to hold massive amounts of liquid water. This view of the moon was created from images taken by NASA's Galileo spacecraft in the late 1990s.
NASA/JPL-Caltech
New analysis has found a source of carbon... | Chemistry and Material Sciences |
When a probe smashed into a small asteroid last year, the collision did more than change the asteroid’s orbit — it blasted a few dozen hefty boulders into space too.
Last September, NASA steered the DART spacecraft into Dimorphos, a moonlet of the larger asteroid Didymos, to test a strategy for knocking any future Eart... | Chemistry and Material Sciences |
A massive, gassy planet 1,300 light-years away is so hot, its clouds are made of quartz crystals. Studying it could help scientists understand more about how clouds form in extreme alien environments.
WASP-17b is a Jupiter-like exoplanet that scientists first spotted in 2009. It orbits extremely close to its star, whic... | Chemistry and Material Sciences |
NASA’s OSIRIS-REx spacecraft brought back samples from the asteroid Bennu and, in a livestream earlier today, NASA scientists showed us what it found hanging out in the great vastness of the cosmos. Simply put, the agency brought back a fairly large sample collection of various-sized rocks, dust particles and intermedi... | Chemistry and Material Sciences |
NASA’s mission to one of the rarest types of asteroids in the solar system is set to launch on Oct. 12 from the Kennedy Space Center after a delay over the spacecraft’s nitrogen cold gas thrusters.
"NASA is just days from launching a mission to a one-of-a-kind asteroid that may tell us how planets like our own Earth fo... | Chemistry and Material Sciences |
UK astronomers studying the clouds of Venus have detected what they describe as a robust phosphine signal in their latest set of observations, adding to the case for alien life.
A variant of phosphorus, phosphine in these concentrations, is a strong biosignature, meaning that if found on Earth, the best explanation wou... | Chemistry and Material Sciences |
After months of anticipatioin, NASA's Psyche mission is finally set to launch today.
Following bad weather earlier this week, the US space agency will now attempt the launch at 10:19 ET (15:19 BST) today from the Kennedy Space Center in Florida.
Psyche is a spacecraft built to explore a 4.5 billion-year-old asteroid ... | Chemistry and Material Sciences |
NASA's James Webb Telescope has detected carbon dioxide and methane in the atmosphere of exoplanet K2-18 b, a potentially habitable world more than eight times the size of Earth.
The ground-breaking discovery has led astronomers to consider the possibility that K2-18 b may belong to a unique class of exoplanets known ... | Chemistry and Material Sciences |
Astronomers using NASA's powerful James Webb Space Telescope (JWST) just spotted tellurium, an element rarer than platinum is on Earth, in the aftermath of two dense stellar corpses about 1 billion light-years away. The findings could help researchers better understand the conditions in which precious chemical elements... | Chemistry and Material Sciences |
Everyone’s into asteroids these days. Space agencies in Japan and the United States recently sent spacecraft to investigate, nudge, or bring back samples from these hurtling space rocks, and after a rocky start, the space mining industry is once again on the ascent. Companies like AstroForge, Trans Astronautica Corpora... | Chemistry and Material Sciences |
Study reveals cosmic surprises about star formation from the dawn of time
A groundbreaking international study has unveiled remarkable insights into the early evolution of galaxies, shedding light on the fundamental processes that have shaped our universe. The findings were published in Nature Astronomy.
A research tea... | Chemistry and Material Sciences |
Never-before-seen details of the Milky Way's spiral arms have been revealed through chemical mapping.
This pioneering technique, called chemical cartography, has unveiled new regions of our galaxy's stunning radial features populated by dense patches of young stars. Headed by Keith Hawkins, an assistant professor at Th... | Chemistry and Material Sciences |
NASA may have discovered alien life on Mars 50 years ago when it first put its two Viking landers on the Red Planet, but the agency may have also accidentally killed it.
The claims were made by Dirk Schulze-Makuch from the Technical University Berlin, who believes an experiment carried out in the 1970s that added wate... | Chemistry and Material Sciences |
Initial studies of the 4.5-billion-year-old asteroid Bennu sample collected in space and brought to Earth by NASA show evidence of high-carbon content and water, which together could indicate the building blocks of life on Earth may be found in the rock. NASA made the news Wednesday from its Johnson Space Center in Hou... | Chemistry and Material Sciences |
A dwarf planet called Ceres could offer some amazing insights into our quest to discover alien life within our solar system. The small planet is located near Mars, and a new study showcases that the dwarf planet has an extensive amount of organic material present on the planet.
Ceres is located within the asteroid belt... | Chemistry and Material Sciences |
In August, NASA plans to deploy a high-altitude balloon that'll hunt for gamma-rays, or high-energy wavelengths produced by some of the most powerful explosions in our universe. And last week, the agency provided an update on the mission.
The novel instrument, known as ComPair, has officially been shipped off to its la... | Chemistry and Material Sciences |
Scientists have shared new insights regarding metal fragments recovered from the Pacific that came from outside our solar system.
Alien-hunting Harvard physicist Avi Loeb and his team published a preprint study Thursday, explaining that the properties of a meteor that crashed in 2014 'can be naturally explained.'
The... | Chemistry and Material Sciences |
Nasa's Osiris-Rex capsule will come screaming into Earth's atmosphere on Sunday at more than 15 times the speed of a rifle bullet.
It will make a fireball in the sky as it does so, but a heat shield and parachutes will slow the descent and bring it into a gentle touchdown in Utah's West Desert.
The capsule caries a pre... | Chemistry and Material Sciences |
Asteroid dust caused 15-year winter that killed dinosaurs: Study
Around 66 million years ago, an asteroid bigger than Mount Everest smashed into Earth, killing off three quarters of all life on the planet—including the dinosaurs.
This much we know.
But exactly how the impact of the asteroid Chicxulub caused all those a... | Chemistry and Material Sciences |
Research explores the properties of supernova remnant 1E 0102.2–7219
Using the Australia Telescope Compact Array (ATCA) and the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers has observed a supernova remnant known as 1E 0102.2–7219. Results of the study, presented October 27 i... | Chemistry and Material Sciences |
Despite being Earth's closest celestial companion, there has long been doubt over how and when the moon formed.
Now there is evidence the moon is 40 million years older than scientists previously believed.
The most widely accepted explanation of why the moon exists is the 'giant-impact theory', suggesting that a Mars... | Chemistry and Material Sciences |
At 10:19 a.m. Friday, NASA launched an uncrewed spacecraft to study a metal-rich asteroid. Lessons learned from the celestial body could provide insight into the formation of planets.
The Psyche mission, named after the rocky object of interest, will spend the next six years traveling to an asteroid belt between Mars a... | Chemistry and Material Sciences |
Abstract
The formation of stars and planets is accompanied not only by the build-up of matter, i.e., accretion, but also by its expulsion in the form of highly supersonic jets that can stretch for several parsecs1,2. As accretion and jet activity are correlated and because young stars acquire most of their mass rapidly... | Chemistry and Material Sciences |
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NASA’s first mission to bring an asteroid sample to Earth will enter its final stretch Sunday, Sept. 24. That’s when... | Chemistry and Material Sciences |
Scientists have been working on models of planet formation since before we knew exoplanets existed. Originally guided by the properties of the planets in our Solar System, these models turned out to be remarkably good at also accounting for exoplanets without an equivalent in our Solar System, like super Earths and hot... | Chemistry and Material Sciences |
In the 1980s, geophysicists made a startling discovery: two continent-sized blobs of unusual material were found deep near the center of the Earth, one beneath the African continent and one beneath the Pacific Ocean. Each blob is twice the size of the Moon and likely composed of different proportions of elements than t... | Chemistry and Material Sciences |
Earth is unique in the solar system for a number of reasons: It's the only planet with a breathable oxygen atmosphere, it's covered in liquid water and it's the only celestial body (that we know of) to harbor life. An often-overlooked characteristic that makes our planet special, however, is that it's the only rocky bo... | Chemistry and Material Sciences |
Buried ice will be a vital resource for the first people to set foot on Mars, serving as drinking water and a key ingredient for rocket fuel. But it would also be a major scientific target: Astronauts or robots could one day drill ice cores much as scientists do on Earth, uncovering the climate history of Mars and expl... | Chemistry and Material Sciences |
The idea that one of Britain's oldest cathedrals could help unlock the secrets of life the solar system may sound far-fetched.
But that is exactly what scientists are hoping for after embarking on a project to collect extraterrestrial dust which has fallen on ancient roofs from space.
It is hoped that these particles... | Chemistry and Material Sciences |
Two new studies associated with the James Webb Space Telescope’s Early Release Science program have been published, and both have to do with Jupiter’s moons, namely Ganymede and Io.
The first study, led by astronomer Samantha Trumbo from Cornell University and published in Science Advances, presents a fascinating first... | Chemistry and Material Sciences |
Study reveals violent material ejection process of a dying massive star
A research team led by Dr. Zhang Jujia from Yunnan Observatories of the Chinese Academy of Sciences and Prof. Wang Xiaofeng from Tsinghua University has revealed the stellar mass violently ejected from a progenitor at the end of its life by observi... | Chemistry and Material Sciences |
NASA and SpaceX are set to send a spacecraft to a giant metal asteroid discovered back in the 1800s.
The goal? To reveal more about the origins of our solar system.
Here's everything you need to know about the mission.
Psyche is the name of the mission, as well as the name of NASA's spacecraft and the name of the as... | Chemistry and Material Sciences |
A new map of subsurface water on Mars just dropped, and it reveals regions on the Red Planet where ice may be buried beneath the surface for future astronauts to use.
This week, the NASA-funded Subsurface Water Ice Mapping project (SWIM) released its fourth set of maps, which the space agency is calling the “most detai... | Chemistry and Material Sciences |
Astronomers have gotten very good at spotting the signs of planet formation around stars. But for a complete understanding of planet formation, we also need to study examples where planet formation has not yet started. Looking for something and not finding it can be even more difficult than finding it sometimes, but ne... | Chemistry and Material Sciences |
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Credit: NASA/JPL-Caltech/ASU
I know I was just all hyped about the OSIRIS-REx asteroid mission and believe me, I still am. But now there’s a new asteroid mission on the block and it’s only fair I get all hyped up about that one too. NASA is preparing this coming Thursday, October 12th, to launch P... | Chemistry and Material Sciences |
Jupiter's moon Europa is one of a handful of worlds in our solar system that could potentially harbor conditions suitable for life. Previous research has shown that beneath its water-ice crust lies a salty ocean of liquid water with a rocky seafloor. However, planetary scientists had not confirmed if that ocean contain... | Chemistry and Material Sciences |
But findings from a new paper published in the journal Nature could lead to reanalysis of that data. An international team of researchers discovered the presence of a molten silicate layer overlying Mars’ metallic core—providing new insights into how Mars formed, evolved and became the barren planet it is today.
Publis... | Chemistry and Material Sciences |
Dante Lauretta has waited nearly 20 years to get his hands on pristine specimens from an asteroid, which he says is a key to unlocking answers to mysteries about the origin of life on Earth. On Tuesday, he got his first look at dust grains returned by NASA's OSIRIS-REx mission.
Because they want to be sure, members of ... | Chemistry and Material Sciences |
NASA'S James Webb Space Telescope observed a planet outside of our galaxy that might be able to support life. Webb discovered the presence of methane and carbon dioxide on the exoplanet K2-18 b, which is 8.6 times the size of Earth. This indicates K2-18 b could be a Hycean exoplanet.
Exoplanets are planets beyond our s... | Chemistry and Material Sciences |
NASA’s Psyche spacecraft has blasted off and begun a six-year, 2.2-billion-mile journey to a peculiar asteroid. Astronomers have speculated that the space rock, also named Psyche, was once the partial core of a small planet in the early days of the Solar System. The seemingly iron- and nickel-rich asteroid may hold clu... | Chemistry and Material Sciences |
2-faced white dwarf star surprises astronomers
Like other varieties of stars, white dwarf stars are generally pretty similar to each other. Except when they’re not. An international team of astronomers said on July 19, 2023, that they’ve discovered a white dwarf star that’s noticeably different. Oddly enough, it’s two-... | Chemistry and Material Sciences |
It is the oldest meteorite ever found, dating back almost 4.6 billion years to a time when the Earth didn't even exist.
Now, space rock Erg Chech 002 is shedding new light on what our early system looked like — and the revelations are not what scientists expected.
A team of Australian researchers say their study brin... | Chemistry and Material Sciences |
Scientific proof of the existence of intelligent extraterrestrial life could be coming in less than a month, according to a top physicist at Harvard.
Tiny metal fragments recovered from the crash site of a meteor-like UFO that plunged into the Pacific Ocean in 2014 were strong enough to potentially be 'some artificial... | Chemistry and Material Sciences |
Subsets and Splits
Unique Topics Sorted
Provides a simple list of all unique topics in the training dataset, which helps identify the range of subjects covered but offers minimal analytical insight beyond basic categorization.
List Unique Topics
Simple retrieval of unique topics from the dataset, useful for basic exploration but lacks deeper insights.