Cosmology News

July 16, 2025

Top Headlines

World’s Largest Camera Just Snapped the Universe in 3,200 Megapixels

June 27, 2025 — The LSST camera at the Vera C. Rubin Observatory has released its jaw-dropping first images, each capturing 45 times the area of the full moon in one shot. Over the next ten years, this cosmic giant will scan the southern sky in ultra-HD, helping ...

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 ...

Latest Headlines

updated 1:42pm EDT

Two Monster Black Holes Just Collided — It’s So Massive, It Shouldn’t Exist

July 16, 2025 — Two colossal black holes among the most massive ever seen collided in deep space, creating gravitational waves that rippled across the cosmos and ...

Big-Bang Echoes Unmask a Billion-Light-Year Hole Around Earth—and It’s Stretching Space Faster

July 15, 2025 — Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the long-running Hubble ...

Gravitational Shockwave: LIGO Catches a 225-Solar-Mass Black-Hole Smash-Up

July 15, 2025 — Gravitational-wave detectors have captured their biggest spectacle yet: two gargantuan, rapidly spinning black holes likely forged by earlier smash-ups fused into a 225-solar-mass titan, GW231123. ...

It Looked Like Nothing—then Scientists Found a World 10x the Size of Jupiter

July 14, 2025 — Astronomers have uncovered a massive, hidden exoplanet nestled in the dusty disc of a young star—MP Mus—by combining cutting-edge data from the ...

100 Ghost Galaxies May Be Orbiting the Milky Way—and We’re Just Now Uncovering Them

July 13, 2025 — New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite galaxies—up to 100 more than we ...

Chang’e-6 Unearths Volcanic and Magnetic Mysteries on the Moon’s Farside

July 11, 2025 — China's Chang’e-6 mission has delivered the first-ever samples from the Moon’s far side, shedding light on one of planetary science’s greatest ...

Ice in a Million-Degree Fermi Bubble Reveals the Milky Way’s Recent Eruption

July 9, 2025 — Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s vast, super-hot Fermi ...

Can One Vanishing Particle Shatter String Theory — and Explain Dark Matter?

July 5, 2025 — Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in physics: string theory. This ...

A Star Exploded Twice — First-Ever Image Reveals Its Cosmic Fingerprint

July 3, 2025 — Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers ...

JWST Unlocks 10-Billion-Year Mystery of How Galaxies Shape Themselves

June 30, 2025 — Using the James Webb Space Telescope, scientists spotted thin and thick disks in galaxies as far back as 10 billion years ago—something never seen before. These observations reveal that galaxies ...

Record-Breaking 10-Billion-Year Radio Halo Just Rewrote the Universe’s Origin Story

June 28, 2025 — A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

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 finally solve the mystery of the Universe s missing ...

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 ...

Impossible Signal from Deep Beneath Antarctic Ice Baffles Physicists

June 14, 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 the early universe into the one we know ...

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 ...

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 scattered by the universe's very first stars ...

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 ...

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

June 17, 2025 — Astronomers have identified a new kind of cosmic explosion extreme nuclear transients so powerful they outshine typical supernovae by orders of magnitude and stay bright for years. Triggered when ...

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 ...

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 ...

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, ...