Cosmology News

October 5, 2025

Top Headlines

Cosmic Simulations That Once Needed Supercomputers Now Run on a Laptop

Sep. 18, 2025 — Astronomers have long relied on supercomputers to simulate the immense structure of the Universe, but a new tool called Effort.jl is changing that. By mimicking the behavior of complex cosmological models, this emulator delivers results with the ...

The Moon Could Finally Reveal Dark Matter

Sep. 18, 2025 — Faint hydrogen signals from the cosmic Dark Ages may soon help determine the mass of dark matter particles. Simulations suggest future Moon-based observatories could distinguish between warm and cold dark matter, providing long-sought answers about ...

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 Surprising Origin of Ultra-hot Exoplanet WASP-121b

June 2, 2025 — WASP-121b may have been born in a frozen zone and later migrated into its current inferno-like orbit. A surprise discovery of methane in the wrong place suggests intense vertical winds are reshaping how we understand planetary ...

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 ...

Latest Headlines

updated 5:58am EDT

Rogue Planet Spotted Devouring 6 Billion Tons Every Second

Oct. 3, 2025 — Astronomers have uncovered a runaway feeding frenzy in a rogue planet drifting freely through space, devouring six billion tonnes of gas and dust every second. Located 620 light-years away in the ...

The Moon’s Far Side Is Hiding a Chilling Secret

Oct. 3, 2025 — New lunar samples from the far side reveal it formed from cooler magma than the near side, confirming the Moon’s interior is not uniform. Researchers suggest fewer heat-producing elements on the ...

Earth Was Born Dry Until a Cosmic Collision Made It a Blue Planet

Sep. 29, 2025 — Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...

Black Hole Discovery Confirms Einstein and Hawking Were Right

Sep. 29, 2025 — A fresh black hole merger detection has offered the clearest evidence yet for Einstein’s relativity and Hawking’s predictions. Scientists tracked the complete cosmic collision, confirming that ...

A Rogue Black Hole Is Beaming Energy from a Nearby Dwarf Galaxy

Sep. 24, 2025 — Astronomers detected a black hole displaced nearly a kiloparsec from the center of a dwarf galaxy 230 million light-years away. Unlike most, it is actively feeding and producing radio jets, making it ...

The Universe’s First Magnetic Fields Were Shockingly Weak, but Changed Everything

Sep. 23, 2025 — Primordial magnetic fields, billions of times weaker than a fridge magnet, may have left lasting imprints on the Universe. Researchers ran over ...

Neutrinos May Be the Hidden Force Behind Gold and Platinum

Sep. 21, 2025 — When two neutron stars collide, they unleash some of the most powerful forces in the universe, creating ripples in spacetime, showers of radiation, and even the building blocks of gold and platinum. ...

NASA Just Confirmed Its 6,000th Alien World. Some Are Truly Bizarre

Sep. 21, 2025 — NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas giants hugging their stars to planets covered in lava or clouds of gemstones, ...

Alien Water Worlds Were Just a Mirage

Sep. 19, 2025 — A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

Scientists Just Found the Hidden Cosmic Fingerprints of Dark Matter

Sep. 19, 2025 — Scientists at Rutgers and collaborators have traced the invisible dark matter scaffolding of the universe using over 100,000 Lyman-alpha emitting galaxies. By studying how these galaxies clustered ...

Rare Einstein Cross With Extra Image Reveals Hidden Dark Matter

Sep. 17, 2025 — A strange “Einstein Cross” with an extra, impossible fifth image has revealed the hidden presence of a massive dark matter halo. An international team of astronomers, including Rutgers ...

NASA's Webb Space Telescope Just Found Strange Red Dots That Shouldn’t Exist

Sep. 14, 2025 — Astronomers using the James Webb Space Telescope have uncovered mysterious “little red dots” that may not be galaxies at all, but a whole new type of object: black hole stars. These fiery ...

Hidden Star Systems in the Milky Way Could Unlock the Secrets of Dark Matter

Sep. 12, 2025 — For centuries, scientists have puzzled over globular clusters, the dense star systems that orbit galaxies without dark matter. Using ultra-detailed simulations, researchers recreated their origins ...

Black Holes Just Proved Stephen Hawking Right With the Clearest Signal Yet

Sep. 12, 2025 — Gravitational-wave astronomy has exploded since 2015, capturing hundreds of black hole and neutron star collisions. With ever-clearer signals, researchers are testing Einstein’s relativity and ...

NASA’s Celestial “Accident” Unlocks Secrets of Jupiter and Saturn

Sep. 10, 2025 — Astronomers studying an oddball brown dwarf called “The Accident” have finally spotted silane, a long-predicted silicon molecule missing from Jupiter and Saturn’s skies. Its ancient, ...

A Monster Molecular Cloud Has Been Discovered in Our Galaxy – “No One Had Any Idea This Existed”

Sep. 4, 2025 — Researchers spotted a colossal cloud of gas and dust in the Milky Way, filled with turbulent motion, newborn star seeds, and even a natural microwave laser. This newly found Midpoint cloud appears to ...

Scientists Uncover Hidden Shards of Mars’ Violent Birth, Frozen for Billions of Years

Aug. 31, 2025 — Mars isn’t the neatly layered world we once imagined — its mantle is filled with ancient, jagged fragments left over from colossal impacts billions of years ago. Seismic data from NASA’s ...

Warped Planet Nurseries Rewrite the Rules of How Worlds Are Born

Sep. 2, 2025 — Astronomers using ALMA have discovered that planet-forming discs are not flat and serene but subtly warped, reshaping our understanding of how planets form. These slight tilts, similar to those seen ...

Butterfly Nebula Reveals Sparkling Gems, Fiery Dust, and the Ingredients of Life

Aug. 28, 2025 — James Webb has revealed that the Butterfly Nebula hides a complex mix of gemstone-like crystals, fiery dust, and unexpected carbon molecules. The discovery may rewrite how we understand the chemistry ...

Astronomers Capture Breathtaking First Look at a Planet Being Born

Aug. 27, 2025 — WISPIT 2b, a gas giant forming around a young Sun-like star, has been directly imaged for the first time inside a spectacular multi-ringed disk. Still glowing and actively accreting gas, the planet ...

Astronomers Track Record-Breaking Radio Flash Across 130 Million Light-Years

Aug. 30, 2025 — A team of astronomers spotted RBFLOAT, one of the brightest fast radio bursts ever seen, and traced it to a galaxy 130 million light-years away. Using CHIME’s new Outrigger array, researchers ...

Jupiter’s Core Isn’t What We Thought

Aug. 24, 2025 — For years, scientists thought Jupiter’s strange interior was the result of a massive collision in its youth. But new research suggests that the planet’s diffuse, “fuzzy” core wasn’t born ...

What Came Before the Big Bang? Supercomputers May Hold the Answer

Aug. 22, 2025 — Scientists are rethinking the universe’s deepest mysteries using numerical relativity, complex computer simulations of Einstein’s equations in extreme conditions. This method could help explore ...

Astronomers Stunned by the Strangest Supernova Ever Seen

Aug. 21, 2025 — Scientists have identified a never-before-seen supernova, SN2021yfj, which exploded after losing nearly all of its outer layers. Instead of light elements, it revealed silicon and sulfur from deep ...

Strange New Shapes May Rewrite the Laws of Physics

Aug. 18, 2025 — By exploring positive geometry, mathematicians are revealing hidden shapes that may unify particle physics and cosmology, offering new ways to understand both collisions in accelerators and the ...

Mysterious “little Red Dots” Could Reveal How the First Black Holes Formed

Aug. 22, 2025 — Astronomers may have uncovered the origins of the mysterious “little red dots,” some of the strangest galaxies seen in the early universe. These tiny but brilliant objects, discovered by the ...

The Disappearing Planet Next Door Has Astronomers Intrigued

Aug. 14, 2025 — NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest Sun-like star to Earth. Located just 4 light-years away, this possible ...

NASA’s Webb Telescope Just Found 300 Galaxies That Defy Explanation

Aug. 31, 2025 — Astronomers at the University of Missouri, using the James Webb Space Telescope, have uncovered 300 unusually bright cosmic objects that may be some of the earliest galaxies ever formed. By applying ...

This Tiny Spacecraft Could Race to a Black Hole and Rewrite Physics

Aug. 10, 2025 — A visionary plan proposes sending a paperclip-sized spacecraft, powered by Earth-based lasers, to a nearby black hole within a century. Led by astrophysicist Cosimo Bambi, the mission would test the ...

Giant Einstein Ring Reveals One of the Universe’s Biggest Black Holes

Aug. 10, 2025 — Astronomers have uncovered what may be the most massive black hole ever found, 36 billion times the mass of our Sun, hidden at the heart of the Cosmic Horseshoe galaxy. Located 5 billion light-years ...