Asteroids, Comets and Meteors News

September 18, 2025

Top Headlines

Rapid Rocket Growth Raises Alarm over Earth’s Fragile Ozone Layer

Sep. 15, 2025 — The booming space industry has filled the skies with rockets and satellites, but this rapid expansion comes with a hidden danger: slowing the recovery of the ozone layer. Rocket launches and burning space debris release chlorine, soot, and metals ...

Hit the Wrong Spot and an Asteroid Returns on a Collision Course

Sep. 9, 2025 — Scientists caution that asteroid deflection must be precise, as striking the wrong spot risks sending it through a gravitational keyhole that sets up a future collision with Earth. Using lessons from NASA’s DART mission, researchers are developing ...

A Star Torn Apart by a Black Hole Lit Up the Universe Twice

Aug. 22, 2025 — Astronomers using AI have captured a once-in-a-lifetime cosmic event: a massive star’s violent death triggered by its black hole companion. The explosion, known as SN 2023zkd, not only produced a brilliant supernova but also shocked scientists by ...

A Record-breaking Antenna Just Deployed in Space. Here’s What It Will See

Aug. 18, 2025 — NASA and ISRO s NISAR satellite has just reached a major milestone: the successful deployment of its enormous 39-foot antenna reflector in orbit. Folded up like an umbrella during launch, the reflector is now fully extended and ready to support ...

Trapped by Moon Dust: The Physics Error That Fooled NASA for Years

July 27, 2025 — Engineers at the University of Wisconsin-Madison uncovered a critical flaw in how lunar and Martian rovers are tested on Earth. Simulations revealed that test results have been misleading for decades because researchers only adjusted rover weight to ...

UF Students Are Bending Metal with Lasers to Build Massive Structures in Orbit

July 2, 2025 — UF engineers, backed by DARPA and NASA, are perfecting laser-forming techniques that let metal sheets fold themselves into giant solar arrays, antennas, and even space-station parts right in ...

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 ...

Martian Dust to Dream Homes: How Microbes Can Build on the Red Planet

June 25, 2025 — Imagine printing your Martian home from dust, sunlight, and a bit of biology. A new synthetic lichen system uses fungi and bacteria to grow building materials directly from Martian soil, completely autonomously and without human ...

Black Holes Could Act as Natural Supercolliders -- And Help Uncover Dark Matter

June 5, 2025 — Supermassive black holes might naturally replicate the colossal energies of man-made particle colliders possibly even revealing dark matter offering a cosmic shortcut to discoveries that would ...

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 ...

Could 'Pausing' Cell Death Be the Final Frontier in Medicine on Earth and Beyond?

May 30, 2025 — The process of necrosis, a form of cell death, may represent one of the most promising ways to change the course of human aging, disease and even space travel, according to a new ...

Cosmic Mystery Deepens as Astronomers Find Object Flashing in Both Radio Waves and X-rays

May 28, 2025 — A team of international astronomers have discovered a new cosmic object emitting both radio waves and ...

Latest Headlines

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NASA’s Perseverance Just Found New Evidence That Mars Could Have Been Habitable

Sep. 18, 2025 — Jezero Crater’s rocks reveal three stages of water activity, shifting from hostile acidic fluids to more life-friendly alkaline ones. ...

White Dwarf Caught Devouring a Frozen Pluto-Like World

Sep. 18, 2025 — Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf star, offering the clearest evidence yet that icy, life-delivering ...

The Violent Collisions That Made Earth Habitable

Sep. 17, 2025 — Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and influencing their tectonics. New findings suggest these violent impacts ...

Strange ‘leopard Spots’ in a Mars Rock Could Be the Strongest Hint of Life Yet

Sep. 16, 2025 — NASA’s Perseverance rover has delivered its most compelling clue yet in the search for life on Mars. A rock sample called “Sapphire Canyon,” ...

Was Mars Once Warm, Wet, and Ready for Life

Sep. 14, 2025 — Billions of years ago, Mars may not have been the frozen desert we see today. New simulations suggest that volcanic eruptions pumped out reactive sulfur gases, creating greenhouse effects strong ...

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 ...

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 ...

NASA's Perseverance Rover Finds Clues to Ancient Mars Chemistry and Possible Life

Sep. 12, 2025 — Mars’ Jezero Crater holds signs of ancient water and strange mineral reactions, some linked with organic compounds. With Perseverance’s samples ...

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 ...

A Doomed Star System Could Soon Shine as Bright as the Moon

Sep. 11, 2025 — Astronomers have uncovered the violent secret of V Sagittae, a white dwarf star consuming its companion in a spectacular feeding frenzy. This cosmic dance not only makes the system burn with unusual ...

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, ...

Life on Mars? NASA Discovers Potential Biosignatures in Martian Mudstones

Sep. 10, 2025 — NASA’s Perseverance rover has discovered mudstones in Mars’ Jezero Crater that contain organic carbon and unusual textures hinting at possible biosignatures. These findings suggest that ancient ...

Astronomers Uncover a Hidden World on the Solar System’s Edge

Sep. 6, 2025 — Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

The Sun’s Hidden Particle Engines Finally Exposed

Sep. 3, 2025 — Solar Orbiter has identified the Sun’s dual “engines” for superfast electrons: explosive flares and sweeping coronal mass ejections. By catching over 300 events close to their origin, the ...

A Weirdly Shaped Telescope Could Finally Find Earth 2. 0

Sep. 3, 2025 — Spotting Earth-like planets is nearly impossible with conventional telescopes, but researchers propose a bold fix: a rectangular design that can separate a planet’s faint glow from its blinding ...

NASA’s X-Ray Telescope Finds Bizarre Features in a Cosmic Hand

Aug. 31, 2025 — Astronomers have taken a fresh look at the famous “Hand of God” pulsar, combining X-ray data from NASA’s Chandra Observatory with new radio observations from the Australia Telescope Compact ...

Astronomers Stunned as James Webb Finds a Planet Nursery Flooded With Carbon Dioxide

Aug. 31, 2025 — Astronomers using the James Webb Space Telescope have uncovered a planet-forming disk shockingly rich in carbon dioxide but nearly devoid of water, upending traditional theories of planetary ...

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 ...

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 ...

Planet Birth Photographed for the First Time

Sep. 8, 2025 — Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around a star like our sun—something long theorized but never observed until ...

NASA’s SPHEREx Captures Comet 3I/ATLAS, a Visitor From Beyond the Solar System

Sep. 2, 2025 — NASA’s SPHEREx joined Webb and Hubble in studying interstellar comet 3I/ATLAS, gathering data on its size, chemistry, and physical traits. While harmless to Earth, the comet provides scientists a ...

NASA’s Webb Space Telescope Reveals Secrets of Interstellar Comet 3I/ATLAS

Sep. 2, 2025 — Webb, Hubble, and SPHEREx are joining forces to study the interstellar comet 3I/ATLAS, revealing details about its structure and chemistry. The comet isn’t dangerous, but it’s offering scientists ...

Scientists Finally Pinpoint Jupiter’s Birth Using “molten Rock Raindrops”

Aug. 26, 2025 — Billions of years ago, Jupiter’s violent growth transformed the young solar system, smashing icy and rocky bodies together at incredible speeds. These cataclysmic collisions created tiny molten ...

Dark Matter Could Be Turning Giant Planets Into Black Holes

Sep. 1, 2025 — Astronomers have found over 5,000 exoplanets, and now scientists think these distant worlds could unlock one of the universe’s greatest mysteries: dark matter. A new study suggests that ...

Are We Accidentally Broadcasting Our Location to Alien Civilizations?

Aug. 23, 2025 — Earth may already be broadcasting its presence to alien civilizations without realizing it. A new study shows that our deep-space transmissions, especially those aimed at Mars and interplanetary ...

These Asteroids Share a Strange Fingerprint from Billions of Years Ago

Aug. 23, 2025 — Scientists studying asteroids found that two seemingly unrelated types share a strange dusty coating of troilite. By using polarization of light instead of traditional spectra, they uncovered ...

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 ...

Voyager Missed It, but James Webb Just Found Uranus’ Hidden Moon

Aug. 21, 2025 — Astronomers using the James Webb Space Telescope have uncovered a tiny new moon orbiting Uranus, increasing the planet’s moon tally to 29. The object, only about six miles wide, escaped Voyager ...

Ancient Solar System Crash May Explain Bennu and Ryugu’s Origin

Aug. 21, 2025 — Scientists from the Southwest Research Institute have found strong evidence that near-Earth asteroids Bennu and Ryugu share a common origin with Polana, a much larger asteroid in the main belt. By ...

After 70 Years, the Sun’s Explosive Mystery Is Finally Solved

Aug. 20, 2025 — NASA’s Parker Solar Probe has directly observed magnetic reconnection in the Sun’s atmosphere for the first time, confirming decades-old theories about solar explosions. This discovery bridges ...