Cosmology News

June 25, 2025

Top Headlines

Millions of New Solar System Objects to Be Found and 'Filmed in Technicolor' -- Studies Predict

June 3, 2025 — Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this ...

Webb Reveals the Origin of the Ultra-Hot Exoplanet WASP-121b

June 2, 2025 — Tracing the origin of an ultra-hot exoplanet: The chemical composition of WASP-121b suggests that it formed in a cool zone of its natal disc, comparable to the region of gas and ice giants in our Solar System. Methane indicates unexpected ...

Understanding Why Galaxy Clusters Are Warm May Explain the Origin of Giant Interstellar Structures

May 29, 2025 — Astronomers have explained how a galaxy cluster maintains its heat, despite emitting X-rays that cool the hot gas at its center. The group discovered the existence of a fast-moving, high-temperature ...

ALMA Measures Evolution of Monster Barred Spiral Galaxy

May 22, 2025 — Astronomers have observed a massive and extremely active barred spiral galaxy in the early Universe and found that it has important similarities and differences with modern galaxies. This improves our understanding of how barred spiral galaxies, ...

Gas Location Drives Star Formation in Distant Galaxies

May 21, 2025 — In the intriguing realm of star-forming galaxies, the key factor isn't the total amount of gas but rather its strategic distribution within the ...

'Cosmic Joust': Astronomers Observe Pair of Galaxies in Deep-Space Battle

May 21, 2025 — Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense radiation. Their results show that this radiation dampens the wounded galaxy's ability to form new ...

Astronomers Observe Largest Ever Sample of Galaxies Up to Over 12 Billion Light Years Away

May 19, 2025 — The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space telescope (JWST) in an area of the sky called COSMOS ...

Dark Matter Formed When Fast Particles Slowed Down and Got Heavy, New Theory Says

May 15, 2025 — Researchers propose a new theory for the origin of dark matter, the invisible substance thought to give the universe its shape and structure. Their mathematical models show that dark matter could ...

Universe Decays Faster Than Thought, but Still Takes a Long Time

May 12, 2025 — The universe is decaying much faster than thought. This is shown by calculations of scientists on the so-called Hawking radiation. They calculate that the last stellar remnants take about 10^78 years (a 1 with 78 zeros) to perish. That is much ...

Astrophysicist Searches for Ripples in Space and Time in New Way

May 12, 2025 — Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational ...

Bridging Worlds: Physicists Develop Novel Test of the Holographic Principle

May 7, 2025 — In the quest toward finding the correct theory of quantum gravity, physicists have been testing the holographic principle which, they say, is a key property of any valid theory of quantum ...

Stellar Collapse and Explosions Distribute Gold Throughout the Universe

May 7, 2025 — Magnetar flares, colossal cosmic explosions, may be directly responsible for the creation and distribution of heavy elements across the universe, suggests a new ...

Latest Headlines

updated 12:25pm EDT

What the Universe Tried to Hide: The 21-Centimeter Signal Explained

June 22, 2025 — Scientists are peering into the universe's mysterious Cosmic Dawn using the faint whispers of hydrogen radio waves emitted over 13 billion years ago. These signals, particularly the elusive ...

Massive Thread of Hot Gas Found Linking Galaxies — and It’s 10 Times the Mass of the Milky Way

June 19, 2025 — Astronomers have uncovered a colossal, searing-hot filament of gas linking four galaxy clusters in the Shapley Supercluster a discovery that could ...

A Thousand Colors, One Galaxy: Astronomers Reveal a Cosmic Masterpiece

June 18, 2025 — Astronomers have produced the most detailed map yet of the Sculptor Galaxy, revealing hundreds of previously unseen celestial features in stunning color and resolution. By combining over 50 hours of ...

Biggest Boom Since the Big Bang? Astronomers Record 25x Supernova Brightness

June 18, 2025 — Astronomers have identified a new kind of cosmic explosion extreme nuclear transients so powerful they outshine typical supernovae by orders of ...

Impossible Signal from Deep Beneath Antarctic Ice Baffles Physicists

June 16, 2025 — A cosmic particle detector in Antarctica has emitted a series of bizarre signals that defy the current understanding of particle physics, according to an international research group that includes ...

Why Giant Planets Might Form Faster Than We Thought

June 14, 2025 — Astronomers using ALMA have uncovered how gas and dust in planet-forming disks evolve separately an insight that reshapes our understanding of how different types of planets form. While dust lingers, ...

Webb Space Telescope Reveals Starburst Galaxies That Lit Up the Early Universe

June 13, 2025 — Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic makeover that transformed ...

NASA’s Webb Telescope Reveals Monster Star Clumps in Galactic Wreckage

June 12, 2025 — Surveying nearby galaxies in the process of merging with other galaxies, astronomers have identified massive, dense star factories, unlike any found in the Milky Way. The findings provide a rare ...

Astronomers Just Found a Giant Planet That Shouldn’t Exist

June 11, 2025 — Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The planet, TOI-6894b, is about the size of Saturn but orbits a star just a ...

From the Andes to the Beginning of Time: Telescopes Detect 13-Billion-Year-Old Signal

June 11, 2025 — Astronomers have pulled off an unprecedented feat: detecting ultra-faint light from the Big Bang using ground-based telescopes. This polarized light ...

Sand Clouds and Moon Nurseries: Webb’s Dazzling Exoplanet Reveal

June 10, 2025 — Astronomers using the James Webb Space Telescope have captured breathtakingly detailed images of two giant exoplanets orbiting a distant sun-like star. These observations revealed sand-like silicate ...

Largest-Ever Map of the Universe Reveals 10x More Early Galaxies Than Expected

June 7, 2025 — An international team of scientists has unveiled the largest and most detailed map of the universe ever created using the James Webb Space Telescope, revealing nearly 800,000 galaxies stretching back ...

NASA's NICER Maps Debris from Recurring Cosmic Crashes

May 6, 2025 — Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other ...

New Theory of Gravity Brings Long-Sought Theory of Everything a Crucial Step Closer

May 5, 2025 — Researchers have developed a new quantum theory of gravity which describes gravity in a way that's compatible with the Standard Model of particle physics, opening the door to an improved ...

A Snapshot of Relativistic Motion: Special Relativity Made Visible

May 5, 2025 — In 1959, physicists James Terrell and Roger Penrose (Nobel laureate in 2020) independently concluded that fast-moving objects should appear rotated. However, this effect has never been demonstrated. ...

Gaia Spots Odd Family of Stars Desperate to Leave Home

May 1, 2025 — The European Space Agency's Gaia mission has spotted an unusual family of stars all strangely eager to leave home -- a family we couldn't have discovered without the star-surveying ...

A Vast Molecular Cloud, Long Invisible, Is Discovered Near Solar System

Apr. 28, 2025 — Astrophysicists have discovered a potentially star-forming cloud that is one of the largest single structures in the sky and among the closest to the sun and Earth ever to be detected. The scientists ...

Astronomers Find Earth-Like Exoplanets Common Across the Cosmos

Apr. 25, 2025 — Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

Scientists Use James Webb Space Telescope to Better Understand Solar System's Origins

Apr. 24, 2025 — Using the James Webb Space Telescope (JWST), scientists analyzed far-away bodies -- known as Trans-Neptunian Objects (TNOs) -- and found varying traces of methanol. The discoveries are helping them ...

The Most Distant Twin of the Milky Way Ever Observed

Apr. 16, 2025 — An international team has discovered the most distant spiral galaxy candidate known to date. This ultra-massive system existed just one billion years after the Big Bang and already shows a remarkably ...

On Jupiter, It's Mushballs All the Way Down

Apr. 15, 2025 — Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...

Mysterious Atmosphere of 'Rosetta Stone' Exoplanet

Apr. 15, 2025 — A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d ...

Our Closest Neighboring Galaxy May Be Being Torn Apart

Apr. 10, 2025 — A team has revealed new insights into the motion of massive stars in the Small Magellanic Cloud (SMC), a small galaxy neighboring the Milky Way. Their findings suggest that the gravitational pull of ...

'Hidden Galaxies': Key to Unlocking Some of Universe's Secrets

Apr. 9, 2025 — Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence ...

Scientists Discover How Stellar-Mass Black Holes Emit Powerful Plasma Jets

Apr. 9, 2025 — Scientists have discovered key conditions needed for a stellar black hole to create plasma jets. Their findings show that when superheated gas material experiences a rapid shrinkage towards the black ...

Galaxies Die Earlier Than Expected

Apr. 2, 2025 — For a long time, scientists thought that only actively star-forming galaxies should be observed in the very early Universe. The James Webb space telescope now reveals that galaxies stopped forming ...

Sound Frequencies of Stars Sing of Our Galaxy's Past and Future

Apr. 2, 2025 — Researchers interrogated the 'sounds' of a cluster of stars within the Milky Way, uncovering a new technique for astrophysicists to probe the universe and learn more about its ...

Oxygen Discovered in Most Distant Known Galaxy

Mar. 20, 2025 — Astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0. This record-breaking detection is making astronomers rethink how quickly galaxies formed in the early ...

New DESI Results Strengthen Hints That Dark Energy May Evolve

Mar. 20, 2025 — The Dark Energy Spectroscopic Instrument used millions of galaxies and quasars to build the largest 3D map of our universe to date. Combining their data with other experiments shows signs that the ...

Treasure Trove of Galaxies, Glimpses of Deep Fields

Mar. 19, 2025 — On 19 March 2025, the European Space Agency's Euclid mission releases its first batch of survey data, including a preview of its deep fields. Here, hundreds of thousands of galaxies in different ...