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Humanity has got its earliest ever look at the dawn of the universe as a dazzling, unprecedented batch of images are revealed to the world for the first time.Billed as the 'next giant leap in space astronomy', they were taken by the new James Webb Space Telescope — a successor to the famous Hubble observatory — and are... | Cosmology & The Universe |
Astronomers discover new link between dark matter and clumpiness of the universe
In a study published today in the Journal of Cosmology and Astroparticle Physics, researchers at the University of Toronto reveal a theoretical breakthrough that may explain both the nature of invisible dark matter and the large-scale stru... | Cosmology & The Universe |
Astronomers have detected a hot bubble of gas swirling around the Milky Way's supermassive black hole at over 200 million miles an hour.It is circling Sagittarius A* at almost a third of the speed of light on an orbit similar in size to that of the planet Mercury, completing a full circle in just 70 minutes.Experts say... | Cosmology & The Universe |
It’s got a mirror that looks like a honeycomb and can peer deep into the universe. Here’s what to know about NASA’s James Webb Space Telescope, and what its colorful images could tell us about what’s beyond the Milky Way.1. NASA launched the telescope from a space center in South America last December.The telescope too... | Cosmology & The Universe |
The scientists say they have observed a new kind of “pentaquark” and the first-ever pair of “tetraquarks,” adding three members to the list of new hadrons found at the LHC.A worker walks in the CERN's Large Hadron Collider (LHC) tunnel during maintenance works on July 19, 2013 in Meyrin, near Geneva.Fabrice Coffrini / ... | Cosmology & The Universe |
NASA is scheduled to release some of the very first images taken by the James Webb Space Telescope on July 12, 2022. They’ll mark the beginning of the next era in astronomy as Webb – the largest space telescope ever built – offers scientific data that will help answer questions about the earliest moments of the univers... | Cosmology & The Universe |
By Matt WilliamsThe idea of one day traveling to another star system and seeing what is there has been the fevered dream of people long before the first rockets and astronauts were sent to space. But despite all the progress we have made since the beginning of the Space Age, interstellar travel remains just that – a fe... | Cosmology & The Universe |
Clara Aldegunde goes on an intellectual journey to understand how quantum phenomena may thread together the fabric of space–time, giving rise to our reality (Clara Aldegunde) November 2021, Clara Aldegunde on Level 2 of the Central Library, Imperial College London, UK
I’m at the library, deeply engrossed in some resear... | Cosmology & The Universe |
Binary black holes may be more stable than scientists had previously believed, with the action of dark energy accelerating the expansion of the universe and helping black holes in these binaries maintain a safe distance.
Black holes are regions of space around an infinitely dense "singularity" born from the collapse of... | Cosmology & The Universe |
Gravity doesn’t discriminate. An experiment in orbit has confirmed, with precision a hundred times greater than previous efforts, that everything falls the same way under the influence of gravity. The finding is the most stringent test yet of the equivalence principle, a key tenet of Einstein’s theory of general relati... | Cosmology & The Universe |
The frontiers of astronomy are being pushed regularly these days thanks to next-generation telescopes and scientific collaborations. Even so, astronomers are still waiting to peel back the veil of the cosmic “Dark Ages,” which lasted from roughly 370,000 to 1 billion years after the Big Bang, where the Universe was shr... | Cosmology & The Universe |
On Tuesday afternoon, we were treated to some of the most detailed images of the universe that anyone has ever seen. The pictures were the first to be released from the James Webb space telescope (JWST) and were greeted with joy by astronomers and journalists. The former because the images demonstrated that the telesco... | Cosmology & The Universe |
In April 2023, scientists from the Atacama Cosmology Telescope (ACT) collaboration created a map of the universe showing the detailed distribution of dark matter, a mysterious form of matter that makes up around 85% of the total matter in the universe (opens in new tab).
While creating any accurate map of matter distri... | Cosmology & The Universe |
What's happening Astronomers have recorded the longest-lasting fast radio burst, or FRB, yet from a distant galaxy. Why it matters The powerful burst of radio waves could help solve many mysteries of the cosmos, including the origins of FRBs themselves. Among the newer mysteries of the cosmos are fast radio bursts, or ... | Cosmology & The Universe |
12 min agoNASA released the 1st Webb Telescope image yesterday — and more are coming todayFrom CNN's Ashley StricklandThe first image from the James Webb telescope, released on Monday, July 11. (NASA/ESA/CSA/STScI)NASA on Monday released the first image from the James Webb Space Telescope. NASA called the image "the de... | Cosmology & The Universe |
Our view of the universe just expanded: The first image from NASA’s new space telescope unveiled Monday is brimming with galaxies and offers the deepest look of the cosmos ever captured.The first image from the $10 billion James Webb Space Telescope is the farthest humanity has ever seen in both time and distance, clos... | Cosmology & The Universe |
Whether extraterrestrial life exists or whether intelligent extraterrestrial life exists aren't the same question. Finding the former is, of course, more likely than finding the latter. We are simultaneously looking for both, but both require an entirely different approach. When it comes to the search for extraterrestr... | Cosmology & The Universe |
The case for a small universe
The universe is big, as Douglas Adams would say.
The most distant light we can see is the cosmic microwave background (CMB), which has taken more than 13 billion years to reach us. This marks the edge of the observable universe, and while you might think that means the universe is 26 billi... | Cosmology & The Universe |
Celestial phenomena that change with time such as exploding stars, mysterious objects that suddenly brighten and variable stars are a new frontier in astronomical research, with telescopes that can rapidly survey the sky revealing thousands of these objects.
The largest data release of relatively nearby supernovae (col... | Cosmology & The Universe |
The James Webb Space Telescope (JWST) may have found evidence of a strange and elusive type of star that only existed in the very early universe, when invisible dark matter was one of the only available fuel sources.
New research suggests that three of the earliest objects identified as galaxies by the JWST aren't gala... | Cosmology & The Universe |
Stars beam brightly out of the darkness of space thanks to fusion, atoms melding together and releasing energy. But what if there’s another way to power a star?
A team of three astrophysicists — Katherine Freese at The University of Texas at Austin, in collaboration with Cosmin Ilie and Jillian Paulin ’23 at Colgate Un... | Cosmology & The Universe |
Listening to the radio on the far side of the moon
There are unexplored regions of the universe—and there are also unexplored times. In fact, there's a nearly 400-million-year gap in our universe's history that we've never seen: a time before stars known as the Dark Ages. To investigate that era, researchers want to pi... | Cosmology & The Universe |
Vast bubble of galaxies discovered, given Hawaiian name
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 bubbl... | Cosmology & The Universe |
Recent debates around the testability of the inflationary paradigm raise the question of how to model-independently discriminate it from competing scenarios. We argue that a detection of the cosmic graviton background (CGB), the relic radiation from gravitons decoupling around Planck time, would rule out the inflationa... | Cosmology & The Universe |
Since astronomers first looked beyond the solar system three decades ago to discover extrasolar planets, or exoplanets, we've known that planets in the Milky Way — and probably the wider universe — come in a vast array of widths and masses.
But just how big can these planets get, and what's the biggest planet we know o... | Cosmology & The Universe |
By Munina Lam | Contributing Writer
JET PROPULSION LABORATORY — It is a slide show like no other.
NASA on Tuesday, July 12, began releasing the full set of full-colored “deep field” images and data of distant galaxies captured by the James Webb Space Telescope, the successor of the Hubble telescope.
But this isn’t your... | Cosmology & The Universe |
New images released Wednesday from NASA's James Webb Space Telescope are revealing Neptune, and the planet's hard-to-detect rings, in a fresh light."It has been three decades since we last saw these faint, dusty rings, and this is the first time we've seen them in the infrared," said Heidi Hammel, a Neptune expert and ... | Cosmology & The Universe |
The first full-color image from NASA's James Webb Space Telescope, a revolutionary apparatus designed to peer through the cosmos to the dawn of the universe, shows the galaxy cluster SMACS 0723, known as Webb’s First Deep Field, in a composite made from images at different wavelengths taken with a Near-Infrared Camera ... | Cosmology & The Universe |
For the first time, scientists may have discovered indirect evidence that large amounts of invisible dark matter surround black holes. The discovery, if confirmed, could represent a major breakthrough in dark matter research.
Dark matter makes up around 85% of all matter in the universe, but it is almost completely inv... | Cosmology & The Universe |
By Pallab GhoshScience correspondent, La PalmaImage source, ESOImage caption, Where did the stars in our night sky come from?Scientists have supercharged one of Earth's most powerful telescopes with new technology that will reveal how our galaxy formed in unprecedented detail.The William Herschel Telescope (WHT) in La ... | Cosmology & The Universe |
In the first data taken last summer with the Near Infrared Camera (NIRCam) on the new James Webb Space Telescope, astronomers found six galaxies from a time when the Universe was only 3% of its current age, just 500-700 million years after the Big Bang. While its incredible JWST saw these galaxies from so long ago, the... | Cosmology & The Universe |
GREENBELT, Md., July 12 (Reuters) - NASA on Tuesday drew back the curtain on billions of years of cosmic evolution with the inaugural batch of photos from the largest, most powerful observatory ever launched to space, saying the luminous imagery showed the telescope exceeds expectations.The first full-color, high-resol... | Cosmology & The Universe |
Six massive galaxies discovered in the early universe are upending what scientists previously understood about the origins of galaxies in the universe.
"These objects are way more massive? than anyone expected," said Joel Leja, assistant professor of astronomy and astrophysics at Penn State, who modeled light from thes... | Cosmology & The Universe |
Published July 12, 2022 8:42AM Updated 10:48AM article Two of the images showing emerging stellar nurseries and individual stars in the Carina Nebula (L) and never-before-seen details of the galaxy group "Stephan’s Quintet" (R) released by NASA from its James Webb Space Telescope during an event on July GREENBELT, Md. ... | Cosmology & The Universe |
The James Webb space telescope has detected what appear to be six massive ancient galaxies, which astronomers are calling “universe breakers” because their existence could upend current theories of cosmology.
The objects date to a time when the universe was just 3% of its current age and are far larger than was presume... | Cosmology & The Universe |
By Matt WilliamsDuring the 1930s, astronomers came to realize that the Universe is in a state of expansion. By the 1990s, they realized that the rate at which it is expansion is accelerating, giving rise to the theory of “Dark Energy”. Because of this, it is estimated that in the next 100 billion years, all stars withi... | Cosmology & The Universe |
One of the most interesting and important questions in cosmology is, "How much matter exists in the universe?" An international team, including scientists at Chiba University, has now succeeded in measuring the total amount of matter for the second time. Reporting in The Astrophysical Journal, the team determined that ... | Cosmology & The Universe |
Our picture of cosmic evolution could be thrown into doubt by the discovery of a massive galaxy that seems to lack dark matter.
Dark matter, which accounts for around 85% of the matter in the universe, seems to be absent from the galaxy NGC 1277, part of the Perseus Cluster of galaxies. The galaxy, located 240 million ... | Cosmology & The Universe |
The James Webb Space Telescope, also known as the JWST, finally launched on December 25 for its journey 930,000 miles from Earth. This is the next generation that will replace the famous Hubble Space Telescope. Hubble has been capturing awesome photos for over 30 years, but it's time for something better. The JWST will... | Cosmology & The Universe |
Researchers from Montreal and India have detected a radio signal from a galaxy that's nearly nine billion light years away. According to their findings, the signal would have been emitted when the universe was just 4.9 billion years old – long before our own solar system was formed about 4.5 billion years ago. "It’s t... | Cosmology & The Universe |
UC Santa Cruz astronomer Garth Illingworth, former Deputy Director of the Space Telescope Science Institute, has had a hell of a career.He's dedicated decades to the pursuit of finding and understanding the most distant galaxies, and was a leader on the team that built the Hubble Space Telescope. And before the Hubble ... | Cosmology & The Universe |
A brand new, detailed view of the universe that looks further back into space and time than ever before has been revealed.NASA is releasing a full set of images from its James Webb Space Telescope, showing what is said to be the "deepest" and most detailed picture of the cosmos to date.
This new view of the universe is... | Cosmology & The Universe |
The search for the missing gravitational signal
Every year, hundreds of thousands of pairs of black holes merge in a cosmic dance that emits gravitational waves in every direction. Since 2015, the large ground-based LIGO, Virgo and KAGRA interferometers have made it possible to detect these signals, although only about... | Cosmology & The Universe |
In just a few days' time, NASA will intentionally crash a spacecraft into an asteroid at 15,000mph.Such a mission may evoke memories of a Hollywood disaster movie such as Armageddon or Deep Impact, but this is very much real and is actually part of the US space agency's first ever planetary defence test.Of course, ther... | Cosmology & The Universe |
A documentary film following the quest to understand the most mysterious objects in the universe. Now Available on Netflix and Apple TV! “Peter Galison's film does a superb job of conveying the life of science - the passion, the wonder, and the comradery forged by a group of people working together to fathom this stran... | Cosmology & The Universe |
For decades, scientists have been trying to solve a vexing problem about the weather in outer space: At unpredictable times, high-energy particles bombard the earth and objects outside the earth’s atmosphere with radiation that can endanger the lives of astronauts and destroy satellites’ electronic equipment. These fla... | Cosmology & The Universe |
Space Updated on: September 6, 2022 / 7:56 PM / CBS News NASA releases stunning Webb Telescope images NASA releases stunning Webb Telescope images, previewing discoveries to come 03:29 NASA's highly sensitive James Webb Space Telescope has captured an extremely detailed image of thousands of never-before-seen young sta... | Cosmology & The Universe |
A binary star is a system of two gravitationally bound stars that orbit a common center of mass called a barycenter.
Stars in a binary system do not necessarily have the same mass, size or brightness. The larger star of a binary couple is called the primary star, while the smaller one is known as the secondary star or ... | Cosmology & The Universe |
Before stars or planets, before black holes and white dwarfs, before even atoms or rays of light, the Universe reverberated with something surprising – sound. This primordial hum moved at more than half the speed of light through a superheated plasma of baryons, photons, and dark matter.
It arose from a tug of war betw... | Cosmology & The Universe |
Carl Sagan, the acclaimed astronomer, astrophysicist and author who introduced a whole generation to the wonders of the heavens with his bestselling "Cosmos" science book and TV series and made saying the phrase "billions and billions" so much fun, is getting a new documentary feature on his prolific career courtesy of... | Cosmology & The Universe |
(NEXSTAR) – A micrometeoroid caused “significant uncorrectable damage” to NASA’s $10 billion James Webb Telescope, a new report explains. While experts say the impact was small, it has prompted further investigation.At 21 feet, Webb’s gold-plated, flower-shaped mirror is the biggest and most sensitive ever sent into sp... | Cosmology & The Universe |
By Eleonora Di Valentino - Postdoctoral Researcher of Astrophysics, University of ManchesterNo matter how elegant your theory is, experimental data will have the last word. Observations of the retrograde motion of the planets were fundamental to the Copernican revolution, in which the sun replaced Earth at the centre o... | 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 |
It all began with a wobble.Some 20 light-years away from Earth, which is quite close on a cosmic scale, scientists noticed a star acting a little funny. Something almost imperceptibly small appeared to be tugging on it, forcing it to "wobble" in its stellar neighborhood, as astronomers would whimsically say.Aha, an exo... | Cosmology & The Universe |
A high-resolution illustration of the Nancy Grace Roman Space Telescope against a starry background. ... [+] NASA’s Goddard Space Flight Center No sooner did the Webb telescope flash its spectacular first images across the world, do some science and even find time to get struck by something than NASA is planning the ne... | Cosmology & The Universe |
Stephen Hawking's interstellar call to save Earth is coming soon to children's bookshelves.
Stephen Hawking (1942-2018), the famed physicist best known for his studies of the universe's past and future, was also concerned about the future of planet Earth. Daughter Lucy Hawking adapted his 2018 message about our planet ... | Cosmology & The Universe |
The Universe is a hologram: Stephen Hawking's final theory, explained by his closest collaborator
In 1998 Stephen Hawking took me on as his PhD student “to work on a quantum theory of the Big Bang”. What started out as a doctoral project evolved over some 20 years into an intense collaboration that ended only with his ... | Cosmology & The Universe |
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Science & Astronomy An artist's interpretation of utilizing a wormhole to travel through space, Thorne kick-started a serious discussion among scientists about whether or wormhole travel is possible. (Image credit: NASA) This article was originally published at The Conversation. The publication contributed th... | Cosmology & The Universe |
Astronomers carry out largest ever cosmological computer simulation
An international team of astronomers has carried out what is believed to be the largest ever cosmological computer simulation, tracking not only dark but also ordinary matter (such as planets, stars and galaxies), giving us a glimpse into how our unive... | Cosmology & The Universe |
The Gaia mission has revealed a "goldmine" of new information on cosmic objects as it continues to create the most comprehensive stellar catalog ever compiled.
The new release, known as Gaia's focused product release (FPR), contains over half a million new faint stars, more than 380 new gravitationally lensed quasars a... | Cosmology & The Universe |
In the upcoming 50 years, humankind will attempt to answer fundamental questions about the universe and the fundamentals of our existence: Is there life on exoplanets? Is there extraterrestrial life in our solar system? Where has all the antimatter in the universe gone? - Robin Smith explains what we can expectBy Robin... | Cosmology & The Universe |
How did the universe come to be? The prevailing theory is everything that is began with the Big Bang. In a nutshell, the theory suggests everything, everywhere, all at once suddenly burst to life. The caveat being everything and everywhere prior to the Big Bang is fairly hard to conceptualize. The Big Bang theory is cu... | Cosmology & The Universe |
Our universe started with a bang that blasted everything into existence. But what happened next is a mystery. Scientists think that before atoms formed—or even the protons and neutrons they’re made of—there was probably a hot, soupy mix of two elementary particles called quarks and gluons, churning through space as a p... | Cosmology & The Universe |
The European Space Agency's (ESA) dark universe detective, the Euclid spacecraft, is on track after locating its guiding stars, which it lost as a result of cosmic misidentification.
The satellite can now begin investigating dark matter and dark energy, which are some of the greatest mysteries in cosmology. Dark matter... | Cosmology & The Universe |
The wait, it seems, was worth it. Decades after researchers first proposed what became known as the James Webb space telescope, the first colour images have landed and with them a tantalising glimpse of the observatory’s power to peer back in time to the moment when the first stars lit up the universe.Major accomplishm... | Cosmology & The Universe |
Media releaseFrom: Macquarie University
In a paper published today in Science, a global team led by Macquarie University’s Dr Stuart Ryder and Swinburne University of Technology’s Associate Professor Ryan Shannon, report on their discovery of the most ancient and distant fast radio burst located to date, about eight bi... | Cosmology & The Universe |
Nature Timespiral: The Evolution of Earth from the Big Bang
Since the dawn of humanity, we have looked questioningly to the heavens with great interest and awe. We’ve called on the stars to guide us, and have made some of humanity’s most interesting discoveries based on those observations. This also led us to question ... | Cosmology & The Universe |
The measurements from ancient and dormant galaxies show black holes growing more than expected, aligning with a phenomenon predicted in Einstein's theory of gravity. The result potentially means nothing new has to be added to our picture of the Universe to account for dark energy: black holes combined with Einstein's g... | Cosmology & The Universe |
In 1998 Stephen Hawking took me on as his PhD student “to work on a quantum theory of the Big Bang”. What started out as a doctoral project evolved over some 20 years into an intense collaboration that ended only with his passing five years ago on March 14, 2018.
The enigma at the centre of our research throughout this... | Cosmology & The Universe |
AbstractFast radio bursts (FRBs) are highly dispersed, millisecond-duration radio bursts1,2,3. Recent observations of a Galactic FRB4,5,6,7,8 suggest that at least some FRBs originate from magnetars, but the origin of cosmological FRBs is still not settled. Here we report the detection of 1,863 bursts in 82 h over 54 d... | Cosmology & The Universe |
Astronomers have made the most detailed map ever of mysterious dark matter using the universe’s very first light, and the "groundbreaking" image has possibly proved Einstein right yet again.
The new image, made using 14 billion-year-old light from the turbulent aftermath of the Big Bang, shows the enormous matter tendr... | Cosmology & The Universe |
Ahead of the biggest premiere the world of astronomy has ever seen, NASA has published the cosmic A-list that will be appearing through the lens of its colossal new space telescope.And it's not just stars. There are galaxies, a planet too, and what promises to be the deepest view back in time that humanity has ever bee... | Cosmology & The Universe |
GREENBELT, Md. (AP) — 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 t... | Cosmology & The Universe |
Many of us tend to ponder about the universe when looking at the night sky on a beautiful evening. We all know the type of questions that emerge during these occasions. Interestingly enough, even seemingly straightforward ones like 'why is the night sky black?' and 'how large is the universe?' can sparkle a deep conver... | 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 were 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 -- the James ... | Cosmology & The Universe |
Astronomers use the brightness of a type of exploding star known as a supernova type IA (seen here as bright blue dot to the left of a remote spiral galaxy) to determine the age and expansion rate of the universe. New calibrations of the luminosity of nearby stars, observed by NIST researchers, could help astronomers r... | Cosmology & The Universe |
In recent years, astronomy has seen itself in a bit of crisis: Although we know that the Universe expands, and although we know approximately how fast, the two primary ways to measure this expansion do not agree. Now astrophysicists from the Niels Bohr Institute suggest a novel method which may help resolve this tensio... | Cosmology & The Universe |
Astronaut Mike Massimino Webb Telescope More Than Pretty Pics ... Might Show Birth of the Universe!!! 7/12/2022 2:56 PM PT TMZ.com NASA's very high hopes for the James Webb Telescope go way beyond those stunning, out-of-this-world images you've seen -- astronaut Mike Massimino says it could literally redefine the unive... | Cosmology & The Universe |
A brand new, detailed view of the universe that looks further back into space and time than ever before has been revealed in an extraordinary set of photos.NASA has released a full set of images from its James Webb Space Telescope, showing what is said to be the "deepest" and most detailed picture of the cosmos to date... | Cosmology & The Universe |
Faster, better, stronger. A new phase of operations at the Large Hadron Collider — the world’s largest particle accelerator — is scheduled to start in a few weeks, just a day after the 10th anniversary of its greatest achievement so far: the discovery of the long sought-after Higgs boson.The collider’s reopening (it’s ... | Cosmology & The Universe |
Pennsylvania State University has an announcement. "Six massive galaxies discovered in the early universe are upending what scientists previously understood about the origins of galaxies in the universe." "These objects are way more massiveâ than anyone expected," said Joel Leja, assistant professor of astronomy and as... | Cosmology & The Universe |
Heatwaves on Earth may be uncomfortable and even dangerous for some, but our planet has nothing on the blisteringly hot world of WASP-76 b.
Astronomers have taken a deeper look at the exoplanet on which temperatures soar to around 4,350 degrees Fahrenheit (2,400 degrees Celsius), hot enough to vaporize iron. In the pro... | Cosmology & The Universe |
September 22, 2022 09:29 AM NASA released new images taken from its James Webb Space Telescope, capturing details of Neptune’s dust bands, which have never been seen in infrared before, and its surrounding moons. The new photographs, which were taken in July and released on Wednesday, show Neptune’s thin rings, its fai... | Cosmology & The Universe |
Astronomers explore a recently discovered luminous quasar
Using various space telescopes, an international team of astronomers have observed a recently detected luminous quasar known as SMSS J114447.77-430859.3, or J1144 for short. Results of the observational campaign, available in the July 2023 edition of Monthly Not... | Cosmology & The Universe |
Let’s see what’s out there
NASA’s James Webb Space Telescope is the world’s largest and most complex in history and is expected to send images to Earth this week.
The James Webb Space Telescope’s revolutionary technology will study every phase of cosmic history — from within our solar system to the most distant observa... | Cosmology & The Universe |
Ahead of the biggest premiere the world of astronomy has ever seen, NASA has published the cosmic A-list that will be appearing through the lens of its colossal new space telescope.And it's not just stars. There are galaxies, a planet too, and what promises to be the deepest view back in time that humanity has ever bee... | Cosmology & The Universe |
Why is the sky dark at night? The 200-year history of a question that transformed our understanding of the universe
As dawn rose over the German city of Bremen on May 7, 1823, Heinrich Olbers put the finishing touches to an article that left his name in history. After the deaths of his wife and daughter, Dr. Olbers had... | Cosmology & The Universe |
Colliding neutron stars provide a new way to measure the expansion of the universe
In recent years, astronomy has seen itself in a bit of crisis: Although we know that the universe expands, and although we know approximately how fast, the two primary ways to measure this expansion do not agree. Now astrophysicists from... | Cosmology & The Universe |
Our view of the universe just expanded: The first image from NASA’s new space telescope unveiled Monday is brimming with galaxies and offers the deepest look of the cosmos ever captured.The first image from the $10 billion James Webb Space Telescope is the farthest humanity has ever seen in both time and distance, clos... | Cosmology & The Universe |
Between the smallest stars and the most massive planets, a strange class of celestial objects pervades the universe. Called brown dwarfs, or "failed stars," these liminal objects are more massive than gas giants such as Jupiter but less massive than the smallest stars.
They're also really common: Astronomers recently d... | Cosmology & The Universe |
It's being described as the most detailed ever map of the influence of dark matter through cosmic history.
A telescope in Chile has traced the distribution of this mysterious stuff on a quarter of the sky and across almost 14 billion years of time.
The result is once again a spectacular confirmation of Einstein's ideas... | Cosmology & The Universe |
There is a galaxy spinning like a record in the early universe — far earlier than any others have been seen twirling around. Astronomers have spotted signs of rotation in the galaxy MACS1149-JD1, JD1 for short, which sits so far away that its light takes 13.3 billion years to reach Earth. “The galaxy we analyzed, JD1... | Cosmology & The Universe |
MIT postdoctoral researcher Daniele Michilli says it was a great feeling when he was looking over the data from a radiotelescope and an unusual burst of radio signals from a far-off galaxy caught his eye.“Imagine you are looking at a signal coming from a billion light-years away. It traveled all the universe and reache... | Cosmology & The Universe |
Almost immediately after scientists pointed the James Webb Space Telescope at the earliest galaxies in the universe, they were seeing things that didn't jibe with the rules of the cosmos.
These galaxies, viewed as they were only 500 to 700 million years after the Big Bang, seemed too massive and mature for their young ... | Cosmology & The Universe |
The fight for dark skies
Recently, a large radio telescope detected low frequency radio waves from dozens of Starlink satellites in low Earth orbit. These unintended signals emanating from the onboard electronics could interfere with astronomical research.
These same satellites are also increasing the brightness of the... | Cosmology & The Universe |
Space telescopes are all the rage right now, thanks to the immaculate first images of the cosmos beamed back to Earth by the James Webb Space Telescope. That 'scope is likely to deliver data and scenes from deep space for decades, but the fun doesn't stop there. In just over four years, NASA plans to launch its next ne... | Cosmology & The Universe |
LIVE UPDATESIt's the highest resolution image of the universe ever taken.Last Updated: July 12, 2022, 11:18 AM ETThe first full-color image from NASA's James Webb Space Telescope has been released.The images, the full set of which will be released Tuesday morning, will be the deepest and highest resolution ever taken o... | Cosmology & The Universe |
Stars could be sliced in half by "relativistic blades," or ultra-powerful outflows of plasma shaped by extremely strong magnetic fields, a wild new study suggests. And these star-splitting blades could explain some of the brightest explosions in the universe.
The study authors, based at the Center for Cosmology and Par... | Cosmology & The Universe |
"Earlier this year, after 15 years of searching, scientists finally heard the background hum of low-frequency gravitational waves that fill our universe," writes Space.com.
"Now, the hard work of searching for the source of these ripples in spacetime can begin." Currently, the primary suspects in this case are pairings... | Cosmology & The Universe |
After two years of data-taking and number-crunching, a team of astronomers has dropped a snapshot of, quite literally, cosmic proportions. It’s chock-full of stellar goodness: The image shows the reddish-brown dust clouds clumped along the centerline of our Milky Way teeming with over 3 billion pinpricks of light—nearl... | 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.