Astronomy News

December 27, 2025

Top Headlines

What Are Asteroids Really Made of? New Analysis Brings Space Mining Closer to Reality

Dec. 25, 2025 Scientists are digging into the hidden makeup of carbon-rich asteroids to see whether they could one day fuel space exploration—or even be mined for valuable resources. By analyzing rare meteorites ...

Subaru Telescope Reveals a Hidden Giant Planet

Dec. 22, 2025 Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope in Hawaiʻi, the OASIS survey tracked subtle ...

Gravitational Waves May Reveal Hidden Dark Matter Around Black Holes

Dec. 19, 2025 Gravitational waves from black holes may soon reveal where dark matter is hiding. A new model shows how dark matter surrounding massive black holes leaves detectable fingerprints in the waves recorded by future space ...

Scientists Are Turning Earth Into a Giant Detector for Hidden Forces Shaping Our Universe

Dec. 6, 2025 SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and environmental conditions vastly improve sensitivity. Orbiting sensors tap into ...

Space Is Filling with Junk and Scientists Have a Fix

Dec. 3, 2025 Earth’s orbit is getting crowded with broken satellites and leftover rocket parts. Researchers say the solution is to build spacecraft that can be repaired, reused, or recycled instead of abandoned. They also want new tools to collect old debris ...

Solar Superstorm Gannon Crushed Earth’s Plasmasphere to a Record Low

Nov. 23, 2025 A massive solar storm in May 2024 gave scientists an unprecedented look at how Earth’s protective plasma layer collapses under intense space weather. With the Arase satellite in a perfect observing position, researchers watched the plasmasphere ...

Japanese Spacecraft Faces a Massive Challenge from a House-size Asteroid

Nov. 21, 2025 New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought. The discovery adds complexity to Hayabusa2’s 2031 mission but also heightens scientific interest. The asteroid’s ...

AI Creates the First 100-billion-star Milky Way Simulation

Nov. 16, 2025 Researchers combined deep learning with high-resolution physics to create the first Milky Way model that tracks over 100 billion stars individually. Their AI learned how gas behaves after supernovae, removing one of the biggest computational ...

Dark Matter Acts Surprisingly Normal in a New Cosmic Test

Nov. 16, 2025 Dark matter may be invisible, but scientists are getting closer to understanding whether it follows the same rules as everything we can see. By comparing how galaxies move through cosmic gravity wells to the depth of those wells, researchers found ...

Space Dust Reveals How Fast the Arctic Is Changing

Nov. 13, 2025 Arctic sea ice is disappearing fast, and scientists have turned to an unexpected cosmic clue—space dust—to uncover how ice has changed over tens of thousands of years. By tracking helium-3–bearing dust trapped (or blocked) by ancient ice, ...

JWST Captures Stunning 3D View of a Planet’s Scorching Atmosphere

Nov. 2, 2025 A team of astronomers used the James Webb Space Telescope to create the first 3D atmospheric map of an exoplanet. The fiery WASP-18b, a massive “ultra-hot Jupiter,” revealed striking temperature contrasts, including regions so hot they destroy ...

Scientists Discover a Way Simulate the Universe on a Laptop

Oct. 30, 2025 Scientists have developed a groundbreaking tool called Effort.jl that lets them simulate the structure of the universe using just a laptop. The team created a system that dramatically speeds up how researchers study cosmic data, turning what once ...

Latest Headlines

updated 11:55am EST

Scientists May Have Found the Best Place for Humans to Land on Mars

Dec. 27, 2025 A newly identified region on Mars may hold the key to future human landings. Researchers found evidence of water ice less than a meter beneath the surface, close enough to be harvested for water, ...

Something Fundamental About Black Holes May Be Changing

Dec. 27, 2025 New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of years. This unexpected shift suggests the structure around supermassive black ...

A Strange Star Near a Black Hole Is Defying Expectations

Dec. 26, 2025 Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing clues of a dramatic cosmic history. The star, which quietly orbits a ...

How Earth Endured a Planet-Wide Inferno: The Secret Water Vault Under Our Feet

Dec. 26, 2025 When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers discovered that bridgmanite ...

Astronomers Discover One of the Universe’s Largest Spinning Structures

Dec. 25, 2025 Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together. The razor-thin chain of galaxies sits inside a much larger filament that ...

A Christmas Tree 80 Light-Years Wide Appears in Space

Dec. 25, 2025 This Christmas, astronomers are highlighting a spectacular region of space that looks remarkably like a glowing holiday tree. Known as NGC 2264, this distant star-forming region sits about 2,700 ...

This Simulation Reveals What Really Happens Near Black Holes

Dec. 22, 2025 Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever before. By combining Einstein’s gravity with realistic behavior of light ...

Astrophysicists Map the Invisible Universe Using Warped Galaxies

Dec. 21, 2025 By studying tiny distortions in the shapes of distant galaxies, scientists mapped dark matter and dark energy across one of the largest sky surveys ever assembled. Their results back the standard ...

NASA Just Caught a Rare Glimpse of an Interstellar Comet

Dec. 20, 2025 An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

What Scientists Found Inside Titan Was Not What Anyone Expected

Dec. 20, 2025 For years, scientists thought Saturn’s moon Titan hid a global ocean beneath its frozen surface. A new look at Cassini data now suggests something very different: a thick, slushy interior with ...

New Orbital Clue Reveals How Hot Jupiters Really Formed

Dec. 15, 2025 Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery. Scientists have long debated whether these giants were violently flung ...

Astronomers Watched a Sleeping Neutron Star Roar Back to Life

Dec. 14, 2025 Astronomers tracked a decade of dramatic changes in P13, a neutron star undergoing supercritical accretion. Its X-ray luminosity rose and fell by factors of hundreds while its rotation rate ...

Webb Finds a Hidden Atmosphere on a Molten Super-Earth

Dec. 14, 2025 Webb’s latest observations reveal a hellish world cloaked in an unexpected atmosphere: TOI-561 b, an ultra-hot rocky planet racing around its star in under 11 hours. Despite being blasted by ...

Astronomers Just Watched a Black Hole Twist Spacetime

Dec. 18, 2025 Astronomers have detected spacetime itself being dragged and twisted by a spinning black hole for the first time. The discovery, seen during a star’s violent destruction, confirms a prediction made ...

Ghost Particles Slip Through Earth and Spark a Hidden Atomic Reaction

Dec. 12, 2025 Scientists have managed to observe solar neutrinos carrying out a rare atomic transformation deep underground, converting carbon-13 into nitrogen-13 inside the SNO+ detector. By tracking two faint ...

Uranus and Neptune Are Hiding Something Big Beneath the Blue

Dec. 10, 2025 Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to reveal that these planets could just as easily be dominated by rock as by ...

Astronomers Capture Sudden Black Hole Blast Firing Ultra Fast Winds

Dec. 9, 2025 A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

This Surprising Discovery Rewrites the Milky Way’s Origin Story

Dec. 9, 2025 New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may arise from several very different evolutionary events. Bursts of star ...

A Nearby Earth-Size Planet Just Got Much More Mysterious

Dec. 12, 2025 TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially life-supporting conditions. Early ...

New Cosmic Lens Measurements Deepen the Hubble Tension Mystery

Dec. 9, 2025 Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their results match “local” measurements but clash with early-universe ...

A Violent Star Explosion Just Revealed a Hidden Recipe for Life

Dec. 8, 2025 XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...

SPHERE’s Stunning Space Images Reveal Where New Planets Are Forming

Dec. 6, 2025 SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation. These bright arcs and faint clouds reveal where tiny planet-building ...

The Solar Mission That Survived Disaster and Found 5,000 Comets

Dec. 3, 2025 For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and surviving crises that nearly ended the mission. Its long-term observations ...

JWST Finds a Milky Way Twin Born Shockingly Early in the Universe

Dec. 3, 2025 A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier than astronomers believed such well-structured galaxies could form. With ...

A Hidden Star Found Where Dust Shouldn’t Exist

Dec. 17, 2025 A mysterious cloud of ultra-hot dust around Kappa Tucanae A may finally have an explanation: a hidden companion star. The star’s extreme orbit carries it straight through the dust zone, strongly ...

James Webb Catches a Giant Helium Cloud Pouring Off a Puffy Planet

Dec. 10, 2025 Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet WASP-107b, revealing a world with an enormously inflated, weakly bound ...

Scientists May Have Found Dark Matter After 100 Years of Searching

Nov. 29, 2025 Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher ...

This Tiny Plant Survived the Vacuum of Space and Still Grows

Nov. 24, 2025 Moss spores survived an extended stay on the outside of the ISS and remained capable of germinating once back on Earth. Their resilience to vacuum, extreme temperatures, and UV radiation surprised ...

Scientists May Have Found the Planet That Made the Moon

Nov. 23, 2025 About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

A High-Altitude Telescope Just Changed What We Know About Black Holes

Nov. 23, 2025 Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the chaotic, superheated material swirling ...