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Home/News/A star turned into a black hole before Hubble’s very eyes Bye bye supernove When a massive star expends its fuel, its core collapses into a dense object and sends the rest of its gas outward in an event called a supernova. What’s left is mostly neutron stars or black holes. And now, Hubble seems to have seen ... | Cosmology & The Universe |
We’ve now seen farther, deeper and more clearly into space than ever before. The first image from the James Webb Space Telescope, released in a White House briefing on July 11, shows thousands of distant galaxies. The galaxies captured here lie behind a cluster of galaxies about 4.6 billion light-years away. The mass f... | Cosmology & The Universe |
We care about your data, and we'd like to use cookies to give you a smooth browsing experience. Please agree and read more about our privacy policy.astronomyThe grainy image of a “super-Jupiter” is a sign of what’s to come as the telescope’s exoplanet observations ramp up.Behold the bright blob of planet HIP 65426 b, l... | Cosmology & The Universe |
Eta Carinae, one of the most massive stars known - Image credit: NASA Our sky is blanketed in a sea of stellar ghosts; all potential phantoms that have been dead for millions of years and yet we don’t know it yet. That is what we will be discussing today. What happens to the largest of our stars, and how that influence... | Cosmology & The Universe |
A constellation of tiny satellites could revolutionize the study of the most energetic explosion in the cosmos and help astronomers untangle the mysteries of colliding stellar remnants that produce powerful gravitational waves.
In 2016, a group of Eastern European astronomers and space enthusiasts met in Hungary's capi... | Cosmology & The Universe |
Space September 23, 2022 / 6:36 AM / CBS/AFP First pictures of Milky Way’s black hole First images of Milky Way’s black hole released 02:13 Astronomers said Thursday they have spotted a hot bubble of gas spinning clockwise around the black hole at the center of our galaxy at "mind blowing" speeds. The detection of the ... | Cosmology & The Universe |
Image source, NASA/ESA/CSAImage caption, SMACS 0723: The red arcs in the image are light from very early galaxies.The first full-colour image from the new James Webb Space Telescope has been released - and it's a record-breaker.The picture represents the "deepest ever" view of the Universe, containing the light from ga... | Cosmology & The Universe |
A few of the deeper returning questions people engage with in conversations and discussions about cosmology relate to what happened before the big bang and what instigated the big bang in the first place; in other words, how does something come from nothing.
With these questions, we currently find ourselves at the edge... | Cosmology & The Universe |
Fascinating time-lapse footage captures never-before-seen view of the fiery aftermath from a collision between two starsAftermath of an epic collision involving two stars has been captured in new wayThis shows it for first time in a millimetre range of radio frequency wavelengthsLight is from fiery explosion caused by ... | Cosmology & The Universe |
Most people have heard that Einstein’s Special Theory of Relativity revolutionized our understanding of time. But most people still aren’t aware of quite how profound the consequences of Einstein’s block universe are, according to which our experience of the present as uniquely different from the past or the future, th... | Cosmology & The Universe |
U.S. July 15, 2022 / 10:00 AM / CBS News Scientists detect "strange" radio signal in distant galaxy Scientists detect "strange" radio signal in distant galaxy which sounds like a heartbeat 01:54 Scientists have discovered a "strange and persistent" radio signal from a far-off galaxy that sounded like a heartbeat. Astro... | Cosmology & The Universe |
NASA's James Webb Space Telescope has captured never-before-seen details in a region of space known as Pandora's Cluster.
A new deep field image from the observatory displays three clusters of galaxies coming together to form a megacluster. The combined mass of those clusters creates a gravitational lens, allowing scie... | Cosmology & The Universe |
By Alexander MacKinnon - University of GlasgowA cold beer on a hot day or a whisky nightcap beside a coal fire. A well earned glass can loosen your thinking until you feel able to pierce the mysteries of life, death, love and identity. In moments like these, alcohol and the cosmic can seem intimately entwined. So perha... | Cosmology & The Universe |
A University of Hawaiʻi-led discovery of an immense bubble 820 million light years from Earth is believed to be a fossil-like remnant of the birth of the universe. Astronomer Brent Tully from the UH Institute for Astronomy and his team unexpectedly found the bubble within a web of galaxies. The entity has been given th... | Cosmology & The Universe |
A fast-spinning neutron star south of the constellation Leo is the most massive of its kind seen so far, according to new observations. The record-setting collapsed star, named PSR J0952-0607, weighs about 2.35 times as much as the sun, researchers report July 11 on arXiv.org. “That’s the heaviest well-measured neutron... | Cosmology & The Universe |
By Pallab GhoshScience correspondent, La PalmaImage source, BBC News/Stelios ThoukididesImage caption, The collision of neutron stars is an opportunity to see what is inside these incredible objectsScientists have developed a new telescope to detect the collisions of dead suns known as neutron stars. The process is tho... | Cosmology & The Universe |
The next generation of dark matter detectors has arrived. A massive new effort to detect the elusive substance has reported its first results. Following a time-honored tradition of dark matter hunters, the experiment, called LZ, didn’t find dark matter. But it has done that better than ever before, physicists report Ju... | Cosmology & The Universe |
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Science & Astronomy An illustration of a meteor racing past a web of dark matter.
(Image credit: NASA/NSF/Ralf Kaehler/Ethan Nadler/SLAC National Accelerator Laboratory/Robert Lea) Meteor-hunting methods could be adapted to hunt for dark matter, the mysterious substance that makes up around 85% of the univers... | Cosmology & The Universe |
Somewhere across the universe, a magnetic field shrieked.Two stars -- created by the same stellar nursery, yet birthed on opposite ends -- appear to have found each other. But when these stars aligned, there were no angels crooning or futures falling into place. There was a disruption. The magnetic field surrounding th... | Cosmology & The Universe |
The Tarantula Nebula gets its name from its appearance, which is similar to that of a burrowing tarantula’s hole covered in spider silk. Image: NASA, ESA, CSA, and STScIThe latest wonder from the Webb Space Telescope is a new look at the Tarantula Nebula, a swirling mass of infantile and yet-to-be conceived stars. What... | Cosmology & The Universe |
As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier.
But University of Michigan researchers have discovered that the rate at which these large structures grow is slower than pred... | Cosmology & The Universe |
Register now for FREE unlimited access to Reuters.comGREENBELT, Md., July 12 (Reuters) - Following a U.S. presidential sneak peek of a galaxy-studded photo from the deep cosmos, NASA officials on Tuesday drew back the curtain to a larger display of luminous images captured by the largest and most powerful observatory e... | Cosmology & The Universe |
This weekend saw the launch of the European Space Agency (ESA)’s Euclid mission: a space telescope which aims to uncover the mysteries of dark matter and dark energy. The 2.2 ton spacecraft with its 1.2 meter telescope was carried into space by a SpaceX Falcon 9 rocket and is now on its way to its orbit around the sun.... | Cosmology & The Universe |
By Matt WilliamsFor decades, scientists have theorized that beyond the edge of the Solar System, at a distance of up to 50,000 AU (0.79 ly) from the Sun, there lies a massive cloud of icy planetesimals known as the Oort Cloud. Named in honor of Dutch astronomer Jan Oort, this cloud is believed to be where long-term com... | Cosmology & The Universe |
Topline
The long-awaited first images from the James Webb Telescope captivated the American public this week, with a shot of a distant galaxy cluster making for the top posts on Facebook and Twitter, in a break from the divisive political messaging that tends to dominate the platforms. An image released by NASA shows t... | Cosmology & The Universe |
In a new study, an international team of astrophysicists has discovered several mysterious objects hiding in images from the James Webb Space Telescope: six potential galaxies that emerged so early in the universe’s history and are so massive they should not be possible under current cosmological theory.
Each of the ca... | Cosmology & The Universe |
It promised “a front-row seat to the cosmos” — an opportunity to look back through space and time like never before and imagery that would “blow minds”.“Prepare for a new way to see the universe beyond where we’ve been, beyond what we know, beyond time itself,” Nasa boasted as it prepared to share the first set of imag... | Cosmology & The Universe |
02:37 - Source: CNN Why is NASA crashing a spacecraft into an asteroid? Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — On Monday, a NASA spacecraft will deliberately slam into an asteroid called Dimorphos. The Doub... | Cosmology & The Universe |
This image shows the edge of a nearby, young, star-forming region NGC 3324 in the Carina Nebula. Captured in infrared light by the Near-Infrared Camera (NIRCam) on the James Webb Space Telescope, this image reveals previously obscured areas of star birth, according to NASA. (NASA, ESA, CSA, and STScI/NASA, ESA, CSA, an... | Cosmology & The Universe |
Scientists finally got a glimpse of what the universe looked like more than 13 billion years ago. And what they found could change everything we know about the dawn of the universe.
When the tiny, young, baby galaxies." What they found, however, was something far greater – six massive galaxies dating back about 13.1 bi... | Cosmology & The Universe |
By Dan Hooper - University of ChicagoThe past few decades have ushered in an amazing era in the science of cosmology. A diverse array of high-precision measurements has allowed us to reconstruct our universe’s history in remarkable detail.And when we compare different measurements – of the expansion rate of the univers... | Cosmology & The Universe |
A mysterious alignment of stellar "ghosts" from dead stars haunts the heart of the Milky Way, and scientists may finally know why.
These cosmic specters exist in the form of planetary nebulas, clouds of gas that are expelled by dying stars at the end of their lives. These can resemble butterflies or hourglasses with th... | Cosmology & The Universe |
Home News Science & Astronomy The Hyades star cluster (pink) curls across the sky amid well-known constellations (green). The cluster is at the center of a controversial new study proposing an alternative to Newton's theory of gravity.
(Image credit: ESA/Gaia/DPAC, CC BY-SA 3.0) Astronomers observing star clusters in o... | Cosmology & The Universe |
The concept of a city-sized telescope on the moon has piqued NASA's interest.
The space agency recently awarded(opens in a new tab) researchers a grant to further develop the plan for a sprawling array of antennae on the moon's cryptic far side — using minerals mined from the moon. At this stage of the game, a proposal... | Cosmology & The Universe |
President Joe Biden on Monday will reveal the first image from NASA’s new space telescope — the deepest view of the cosmos ever captured.The first image from the $10 billion James Webb Space Telescope is going to show the farthest humanity has ever seen in both time and distance, closer to the dawn of the universe and ... | Cosmology & The Universe |
Scientists using the H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar. The energy of these gamma rays clocked in at 20 tera-electronvolts, or about ten trillion times the energy of visible light. This observation is hard to reconcile with the theory of th... | Cosmology & The Universe |
Never-before-seen details of an area of space where three galaxies are merging have been revealed in a mesmerising new view of the cosmos.
The fascinating picture is the latest deep field image taken by NASA's new super space telescope, James Webb.
It captures a region known as Pandora's Cluster, where several alread... | Cosmology & The Universe |
Astronomers use dead stars to measure gravitational waves produced by ancient black holes
An international team of astronomers has detected a faint signal of gravitational waves reverberating through the universe. By using dead stars as a giant network of gravitational wave detectors, the collaboration—called NANOGrav—... | Cosmology & The Universe |
NASA’s $10 billion telescope peers deeper into space than ever, revealing previously undetectable details in the cosmos. The Carina Nebula, as captured by the James Webb Space Telescope. Space Telescope Science Institute / NASA, ESA, CSA, STScIJuly 12, 2022, 9:17 PM UTCThe first images from the James Webb Space Telesco... | Cosmology & The Universe |
November 18, 2022• Physics 15, 180Spectra from quasars suggest that intergalactic gas may have been heated by a form of dark matter called dark photons. K. G. Lee/Max Planck Institute for Astronomy and C. Stark/UC Berkeley Cloudy forecast. Light from distant quasars travels through the Universe toward Earth and is impr... | Cosmology & The Universe |
By Robert Scherrer - Professor and Chair of Physics and Astronomy, Vanderbilt UniversityThe nature of dark energy is one of the most important unsolved problems in all of science. But what, exactly, is dark energy, and why do we even believe that it exists? Step back a minute and consider a more familiar experience: wh... | Cosmology & The Universe |
Credit: NASA/CXC/U.Texas Astrophysicists have performed a powerful new analysis that places the most precise limits yet on the composition and evolution of the universe. With this analysis, dubbed Pantheon+, cosmologists find themselves at a crossroads. Pantheon+ convincingly finds that the cosmos is composed of about ... | Cosmology & The Universe |
To those of us who aren't astronomers, it's hard to see what the big deal is. An image of points of light, coloured blobs and spirals of galaxies of the kind we're familiar with.
But in fact, this image is something very different indeed.Compared to the previous picture of this region of space captured by the Hubble Sp... | Cosmology & The Universe |
Scientists have determined the possible effects of a neutron star collision happening near Earth, finding that these so-called kilonovas could be real killers that would doom humanity. But don't worry, the collision would have to be really close to wreak havoc on our world. Nonetheless, here's what would probably go do... | Cosmology & The Universe |
Photos: Observing the universe with the James Webb Space Telescope NASA/ESA/CSA/STScI The latest James Webb Space Telescope image released by NASA on September 21 shows Neptune. It is the clearest view of the planet's rings in over 30 years. Photos: Observing the universe with the James Webb Space Telescope NASA/ESA/CS... | Cosmology & The Universe |
Planets and other objects in our Solar System. – Image Credit: NASA. Humanity’s understanding of what constitutes a planet has changed over time. Whereas our most notable magi and scholars once believed that the world was a flat disc (or ziggurat, or cube), they gradually learned that it was in fact spherical. And by t... | Cosmology & The Universe |
Black holes swallow everything—including light—which explains why we can’t see them. But we can observe their immediate surroundings and learn about them. And when they’re on a feeding binge, their surroundings become even more luminous and observable.
This increased luminosity allowed astronomers to find a black hole ... | Cosmology & The Universe |
Scientists discover the highest energy gamma-rays ever from a pulsar
Scientists using the H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar. The energy of these gamma rays clocked in at 20 tera-electronvolts, or about 10 trillion times the energy of visibl... | Cosmology & The Universe |
The standard story of the birth of the cosmos goes something like this: Nearly 14 billion years ago, a tremendous amount of energy materialized as if from nowhere.In a brief moment of rapid expansion, that burst of energy inflated the cosmos like a balloon. The expansion straightened out any large-scale curvature, lead... | Cosmology & The Universe |
Home News The Hyades star cluster (pink) curls across the sky amid well-known constellations (green). The cluster is at the center of a controversial new study proposing an alternative to Newton's theory of gravity.
(Image credit: ESA/Gaia/DPAC, CC BY-SA 3.0) Astronomers observing star clusters in our galaxy have found... | Cosmology & The Universe |
When we imagine a world embraced by cosmic haloes, we typically envision Saturn. Honestly, one might argue Saturn based its entire personality on those dazzling rings, and rightfully so. They're solid. Visible. Luxurious even. But if you didn't already know, it is my honor to tell you Neptune has rings too. They're jus... | Cosmology & The Universe |
A supermassive black hole discovered at the heart of an ancient galaxy is five times larger than expected for the number of stars it contains, astronomers say.
Researchers spotted the immense black hole in a galaxy known as GS-9209 that lies 25bn light-years from Earth, making it one of the most distant to have been ob... | Cosmology & The Universe |
It's just a "speck of the universe."The first image from NASA's James Webb Space Telescope offered humanity a stunning new view of the universe on Monday — a first-of-its-kind infrared image so distant in the cosmos that it shows stars and galaxies as they appeared 13 billion years ago.President Joe Biden revealed the ... | Cosmology & The Universe |
Less than a century ago, we — humans — believed the universe ended at the very edge of the Milky Way. At the point where the last starlight of our home galaxy winked out, an endless nothing began. Until Edwin Hubble. The famed astronomer diligently scoured the sky for blinking stars from Mount Wilson Observatory in Ca... | Cosmology & The Universe |
Galaxies are not scattered randomly across the universe. They gather together not only into clusters, but into vast interconnected filamentary structures with gigantic barren voids in between. This "cosmic web" started out tenuous and became more distinct over time as gravity drew matter together.
Astronomers using NAS... | Cosmology & The Universe |
Stephen Hawking and I created his final theory of the cosmos—here's what it reveals about the origins of time and life
The late physicist Stephen Hawking first asked me to work with him to develop "a new quantum theory of the Big Bang" in 1998. What started out as a doctoral project evolved over some 20 years into an i... | Cosmology & The Universe |
Stephen Hawking's last collaborator on physicist's final theory
When Thomas Hertog was first summoned to Stephen Hawking's office in the late 1990s, there was an instant connection between the young Belgian researcher and the legendary British theoretical physicist.
"Something clicked between us," Hertog said.
That con... | Cosmology & The Universe |
Home News Science & Astronomy An artist's depiction of the James Webb Space Telescope at work.
(Image credit: ESA/ATG medialab) It's been almost a year since the most ambitious — and costly — space telescope ever built was launched toward the L2 Lagrange point on the far side of the Earth from the sun. Following a nerv... | Cosmology & The Universe |
Webb telescope discovers oldest galaxies ever observed
The James Webb Space Telescope has discovered the four most distant galaxies ever observed, one of which formed just 320 million years after the Big Bang when the universe was still in its infancy, new research said on Tuesday.
The Webb telescope has unleashed a to... | Cosmology & The Universe |
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Astronomers have detected a mysterious blast of radio waves that have taken 8 billion years to reach Earth. The fast radio burst is one of the most distant and energetic ever ... | Cosmology & The Universe |
Pinpoint simulations provide perspective on universe structure
The universe is peppered with galaxies, which, on large scales, exhibit a filamentary pattern, referred to as the cosmic web. This heterogeneous distribution of cosmic material is in some ways like blueberries in a muffin where material clusters in certain ... | Cosmology & The Universe |
For the first time, astronomers have linked mysterious pulses of energy called fast radio bursts (FRBs) with the ripples in space-time emitted by collapsed, colliding stars. The findings, published March 27 in the journal Nature Astronomy (opens in new tab), propose a new explanation for FRBs, which have vexed scientis... | Cosmology & The Universe |
We’ve now seen farther, deeper and more clearly into space than ever before. A stellar birthplace, a nebula surrounding a dying star, a group of closely interacting galaxies, the first spectrum of an exoplanet’s light. These are some of the first images from the James Webb Space Telescope, released in a NASA news brief... | Cosmology & The Universe |
Astronomers have spotted the wreckage left by a massive collision between two huge icy planets around a distant, sunlike star.
Using a NASA spacecraft that monitors the sky for asteroids, the scientists also detected the bright afterglow generated by the planetary smash-up and the resulting dust cloud that crossed the ... | Cosmology & The Universe |
This image provided by NASA on Monday, July 11, 2022, shows galaxy cluster SMACS 0723, captured by the James Webb Space Telescope. The telescope is designed to peer back so far that scientists can get a glimpse of the dawn of the universe about 13.7 billion years ago and zoom in on closer cosmic objects, even our own s... | Cosmology & The Universe |
The bright galaxies found by the James Webb Space Telescope (JWST) in the very early universe could be the product of bursts of massive star formation — and it's likely that this fact renders the galaxies more luminous than expected for the era in which they exist. This is the conclusion drawn by researchers who used c... | Cosmology & The Universe |
WASHINGTON -- A stellar nursery where stars are born, interactions between galaxies and a unique view of an exoplanet are just some of the new cosmic images that will be shared Tuesday.After decades of waiting, it's finally time for the world to see the first images taken by the most powerful space telescope ever -- th... | Cosmology & The Universe |
GREENBELT, Md. — NASA on Tuesday unveiled a new batch of images from its new powerful space telescope, including a foamy blue and orange shot of a dying star.The first image from the $10 billion James Webb Space Telescope was released Monday at the White House — a jumble of distant galaxies that went deeper into the co... | Cosmology & The Universe |
Euclid mission releases its first images
The Euclid mission, which will investigate the mysteries of dark matter and dark energy, released its first five science images Tuesday, Nov. 7. The observatory, led by ESA (European Space Agency) with NASA contributions, is scheduled to begin regular science operations in early... | Cosmology & The Universe |
Supermassive black holes could be the engines driving the expansion of the universe, according to research that proposes a solution to "one of the biggest problems in cosmology."
By comparing supermassive black holes across nine billion years of cosmic history, astronomers have discovered a clue that the ravenous behem... | Cosmology & The Universe |
The image, known as “Webb’s First Deep Field,” will be the deepest and highest-resolution infrared view of the universe ever captured. Biden is scheduled to release it on Monday.July 10, 2022, 10:00 PM UTCPresident Joe Biden will unveil the much-anticipated first full-color image from NASA's James Webb Space Telescope ... | Cosmology & The Universe |
NASA, along with the European and Canadian space agencies, will be releasing the first science images from the brand new James Webb Space Telescope on Tuesday, and now we know what celestial bodies we'll be seeing in those historic pictures. JWST is the long-awaited successor to the Hubble Space Telescope that finally ... | Cosmology & The Universe |
Persistent radio signals from a galaxy billions of light-years away were detected by astronomers at the Massachusetts Institute of Technology and universities throughout both the United States and Canada. The waves occur in a regular pattern, similar to that of a heartbeat. The signal is categorized as a fast radio bur... | Cosmology & The Universe |
WASHINGTON -- The first glimpse of how the James Webb Space Telescope will change the way people see the universe has arrived.President Joe Biden released one of Webb's first images Monday at the White House during a preview event with NASA Administrator Bill Nelson.The image shows SMACS 0723, where a massive group of ... | Cosmology & The Universe |
Ordinarily, science journalists do not report on the work of their close relatives. But on the occasion of certain special anniversaries, an exception may be allowed. In this case, the occasion is the 50th anniversary of the Drake equation, the formula for predicting how many detectable civilizations exist in the Milky... | Cosmology & The Universe |
How did the universe start? Did we begin with a big bang, or was there a bounce? Might the cosmos evolve in a cycle of expansion and collapse, over and over for all eternity? Now, in two papers, researchers have poked holes in different models of a so-called bouncing universe, suggesting the universe we see around us i... | Cosmology & The Universe |
To date the only life we know about is here on Earth. Since the beginning of civilization, people have wondered whether there is life elsewhere in the universe. In 1984 American astronomer Jill Tarter and Thomas Pierson launched a project called Search for Extra-Terrestrial Intelligence (SETI), dedicated to that inters... | Cosmology & The Universe |
Astronomers have revealed the first photograph of an exoplanet taken by NASA’s James Webb Space Telescope (JWST). The image shows the bright blob of a world seven times heavier than Jupiter that orbits a star nearly 400 light-years away. The groundbreaking result is the latest in a slew of early exoplanet findings from... | Cosmology & The Universe |
James Webb Space Telescope uncovers new details in Pandora's Cluster
Astronomers have revealed the latest deep-field image from the NASA/ESA/CSA James Webb Space Telescope, featuring never-before-seen details in a region of space known as Pandora's Cluster (Abell 2744). Webb's view displays three clusters of galaxies—a... | Cosmology & The Universe |
The James Webb Space Telescope (JWST) launched on Christmas Day 2021, is already transforming our understanding of planets in our Solar System and far beyond. A versatile satellite observatory, JWST has a clear-eyed view from its orbital position, 1.5m km away from Earth in space. This gives it a major advantage over g... | Cosmology & The Universe |
Between 1984 and 1992 the cosmologist Nick Kaiser, who has died of heart failure aged 68, created many of the ideas now used by astronomers to map the large-scale distribution of dark matter in the universe. His analysis of the clustering of galaxies and the distortion of galaxy shapes by gravitational light deflection... | Cosmology & The Universe |
To put it simply, the universe's most massive known star is less massive than scientists once believed. But even docked a few levels, this staggering ball of gas is still the universe's most massive known star. That's how utterly huge it is.Lovingly named R136a1, the luminous giant lives 160,000 light-years from Earth ... | Cosmology & The Universe |
"Satellites were mind-boggling"Since the 1970s, when the plane of satellites was first identified, astronomers have made numerous unsuccessful attempts to locate comparable structures in accurate supercomputer models that chart the development of the Universe from the Big Bang to the present. On the other hand, in this... | Cosmology & The Universe |
Superstar astrophysicist and sagacious citizen of the universe Neil deGrasse Tyson really needs no formal introduction when it comes to all matters of a cosmic nature.
The esteemed scientist, lecturer, author, podcaster, NASA consultant, online educator and TV personality enjoys a popularity usually ascribed to heavy m... | Cosmology & The Universe |
Hello, HIP 65426 b! That jumble of letters and numbers belongs to an exoplanet (a planet outside our solar system) that has the honor of being the subject of the James Webb Space Telescope's first direct image of a distant world."This is a transformative moment, not only for Webb but also for astronomy generally," said... | Cosmology & The Universe |
Seen through a giant's eyes, our Universe's galaxies cling like foam to the surface of an eternal ocean, drawing into clumps and strings around inky voids.
This sparkling web has taken eons to come together, congealing gradually under gravity's guidance out of what was, billions of years ago, an evenly-spread fog of wh... | Cosmology & The Universe |
The James Webb Space Telescope is still snapping its first pictures of Solar System planets, and the latest batch could be particularly useful. NASA and the ESA have shared early images of Mars, taken on September 5th, that promise new insights into the planet's atmosphere. Data from the near-infrared camera (NIRCam) i... | Cosmology & The Universe |
Astronomers have discovered the most ancient "heartbeat" radio signal, and they want to use it to find the missing half of the universe's matter.
The mysterious signal — a fast radio burst called FRB 20220610A — was found 8 billion years into the universe's past, its light rhythmically pulsing from the heart of three m... | Cosmology & The Universe |
Researchers have found a new way to measure dark energy — the mysterious force that is causing the expansion of the entire universe to accelerate — using data from our own cosmic backyard.
Ever since its discovery in the late 1990s, dark energy has become the premier problem in cosmology. In short, we have no idea what... | Cosmology & The Universe |
The James Webb Space Telescope (JWST) has discovered that nearly all of the universe's earliest galaxies were filled with dazzling gas clouds that blazed brighter than the emerging stars within them — and it could help solve a mystery that threatens to break cosmology.
Forming as early as 500 million years after the Bi... | Cosmology & The Universe |
Now, a group of astronomers including at the Universities of Helsinki and Durham, have shown that the Milky Way plane of satellites is, like the constellations of yore, nothing more than a chance alignment – and like the constellations, it is bound to dissolve.
“The plane of satellites was truly mind boggling,” says th... | Cosmology & The Universe |
By Matt WilliamsFor thousands of years, human being have been contemplating the Universe and seeking to determine its true extent. And whereas ancient philosophers believed that the world consisted of a disk, a ziggurat or a cube surrounded by celestial oceans or some kind of ether, the development of modern astronomy ... | Cosmology & The Universe |
By Brooke Simmons - Lecturer in Astrophysics, Lancaster UniversityGravity is a force between two masses, so gravity exists wherever there is mass. To discover when gravity started to exist, we need to understand what mass is, and when it started to exist. Let’s dive right in: “mass” is what we use to measure how much “... | Cosmology & The Universe |
Stephen Hawking, a black hole whisperer who divined the secrets of the universe’s most inscrutable objects, left a legacy of cosmological puzzles sparked by his work, and inspired a generation of scientists who grew up reading his books.
Upon Hawking’s death on March 14 at age 76, his most famous discovery — that black... | Cosmology & The Universe |
A micrometeoroid that hit the James Webb Space Telescope in May caused a "significant uncorrectable change" to one of its panels used to observe deep space. So far, Webb has faced at least six deformations on its main mirror panels that have been traced to micrometeoroid strikes, but five of those degradations were neg... | Cosmology & The Universe |
Scientists are using atomic clocks to investigate some of the universe's greatest mysteries, including the nature of dark matter, in a laboratory. In the process, they say they're bringing cosmology and astrophysics "down to Earth."
The project, which is a collaboration between the University of Sussex and the National... | Cosmology & The Universe |
When astronomers discovered that the universe is expanding at an accelerating rate, they theorized that some force must be pushing things farther apart and overcoming gravity, which should be slowing things down. That force was suggested to be dark energy, but no one has ever figured out from where it comes.
But a team... | Cosmology & The Universe |
PASADENA, Calif. — A lucky celestial alignment has given astronomers a rare look at a galaxy in the early universe that is seeding its surroundings with the elements needed to forge subsequent generations of stars and galaxies. Seen as it was just 700 million years after the Big Bang, the distant galaxy has gas flowing... | Cosmology & The Universe |
A new map of the cosmos shows the distribution of mysterious dark matter in sharp detail.
The map, which covers a quarter of the sky over Earth and extends deep into the cosmos, was created using a "cosmic fossil" known as the cosmic microwave background (CMB), radiation left over from just after the Big Bang.
The new ... | Cosmology & The Universe |
Review “This luminous guide to the cosmos encapsulates myriad discoveries. Astrophysicist Jo Dunkley swoops from Earth to the observable limits, then explores stellar life cycles, dark matter, cosmic evolution, and the soup-to-nuts history of the Universe. No less a thrill are her accounts of tenth-century Persian astr... | Cosmology & The Universe |
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.