Asteroids, Comets and Meteors News

October 23, 2026

Top Headlines

A Train Was Delayed by a Solar Storm. but Something Didn't Add Up.

Oct. 21, 2026 Scientists have cracked a 178-year-old mystery surrounding a train delayed by a solar storm, revealing that the famous incident happened in 1848 rather than 1841. The discovery rewrites the early history of space weather and highlights a threat that ...

Astronauts’ Hearts Just Passed a Surprising Test for Mars

Oct. 21, 2026 A new study tracking 13 astronauts suggests that the human heart may be surprisingly well equipped for a journey to Mars, especially with regular exercise during spaceflight. Researchers found that astronauts' hearts adapted to months of ...

NASA’s Perseverance Mars Rover Just Shattered the All-time Off-world Driving Record

Oct. 21, 2026 NASA’s Perseverance rover has shattered a historic space exploration record, traveling farther across another world than any vehicle before it. Its advanced self-driving system helped it surpass ...

NASA’s Roman Space Telescope Exceeds Expectations by Nearly 30%

Oct. 17, 2026 NASA’s Nancy Grace Roman Space Telescope has exceeded expectations after engineers made incredibly tiny adjustments to sharpen its view of the universe. By moving a mirror just one-sixteenth the width of a human hair, the team helped bring its ...

SpaceX Just Delivered Some Very Strange Cargo to the International Space Station

Oct. 16, 2026 SpaceX just delivered some surprisingly strange cargo to the International Space Station, including tiny brain models, 3D heart tissue, and technology for making artificial retinas in space. ...

NASA Is Searching for Hidden Caves to Build Its First Moon Base

Oct. 8, 2026 NASA is preparing for humanity’s first Moon base with three investigations that will hunt for underground shelters, uncover hidden ice, and track dangerous conditions on the lunar surface. The findings could reveal how astronauts can survive and ...

A Meteor Hit Oklahoma 100 Million Years Later Than Scientists Thought

Oct. 4, 2026 A meteor crater buried beneath Oklahoma has turned out to be nearly 100 million years younger than scientists thought. Zircon crystals show the Ames impact occurred about 370 million years ago, meaning it was not part of the mysterious Ordovician ...

NASA’s Roman Telescope Just Opened Its Planet-hunting Eye

Oct. 2, 2026 NASA’s Roman Space Telescope has demonstrated remarkable pointing stability and given its powerful planet-imaging coronagraph its first look at the cosmos. The telescope can already stay locked on a target with precision comparable to aiming a ...

Blood Tests Reveal Why Astronauts Get Constipated in Space

Sep. 28, 2026 Spaceflight may dramatically change the gut within weeks, causing bacteria to break down more protein as food moves more slowly through the intestines. The shift could help explain astronaut constipation and may have wider effects on health, making ...

A Strange Circle on Satellite Maps Turned Out to Be a 390-million-year-old Impact Crater

Sep. 22, 2026 An amateur astronomer searching satellite maps for a Quebec camping spot accidentally discovered a massive ancient impact crater. Scientists later found shatter cones that confirmed the ...

NASA Just Powered Up Roman’s Massive 300-megapixel Camera

Sep. 21, 2026 NASA’s Roman Space Telescope has successfully activated its 300-megapixel infrared camera, which will capture enormous stretches of the cosmos with Hubble-like sharpness. Its planet-hunting coronagraph is also working as expected, putting Roman ...

NASA’s Roman Space Telescope Launches to Reveal the Universe’s Darkest Secrets

Aug. 31, 2026 NASA’s Roman Space Telescope has launched on a million mile journey to L2, where it will scan huge portions of the cosmos for clues about dark matter, dark energy, and distant worlds. With survey ...

Latest Headlines

updated 12:41am EDT

NASA Reveals 16 Stunning Galaxies Hiding Cosmic Chaos

Oct. 20, 2026 NASA's stunning new gallery of 16 galaxies reveals colossal black hole jets, explosive star formation, and spectacular cosmic collisions through the combined power of Chandra, James Webb, Hubble, and ...

NASA Solves a Strange Mystery Hidden Inside Asteroid Bennu’s Boulders

Oct. 19, 2026 NASA scientists have finally uncovered why asteroid Bennu loses heat so quickly despite being covered in massive boulders. Samples returned to Earth reveal that its rocks are filled with hidden ...

Astronomers Discover a Ghostly Green Star Unlike Any Known Before

Oct. 19, 2026 Astronomers have uncovered a surprising rainbow of dead stars, including the first known star that would appear genuinely green to human eyes. Researchers found that white dwarfs can glow in ...

Two Monster Black Holes Could Collide in Just 100 Years

Oct. 18, 2026 Astronomers have uncovered compelling evidence of two supermassive black holes spiraling toward a potentially spectacular collision at the center of galaxy Mrk 501. A previously unseen jet of ...

NASA’s Webb Reveals the Wild Weather of a Mysterious World 20 Light-Years Away

Oct. 17, 2026 NASA’s James Webb Space Telescope has revealed that a turbulent world 20 light-years away has a surprisingly orderly weather system, with three ...

Astronomers Discover a Strange Universal Rule Behind Black Hole Eruptions

Oct. 16, 2026 Scientists have discovered that black holes of vastly different sizes appear to launch powerful jets according to the same universal rule. The breakthrough could explain why some black holes suddenly ...

James Webb Reveals a Massive Cosmic Structure That Challenges Our Understanding of the Universe

Oct. 13, 2026 NASA’s James Webb Space Telescope has revealed an ancient galaxy cluster with an unexpectedly dense concentration of dark matter, challenging ...

MIT Astronomers Catch a Star in a Feast That Could Last Billions of Years

Oct. 10, 2026 Astronomers have discovered a bizarre star system about 300 light-years from Earth where a small star is slowly devouring a nearby brown dwarf, an object too massive to be a planet but too small to ...

Hubble Space Telescope May Have Found a Planet Born After Its Star Died

Oct. 9, 2026 A strange chemical signature in old Hubble observations may point to a planet that formed after its star had already died. Astronomers found unusually high levels of niobium around the white dwarf HS ...

NASA Astronauts Splash Down After 100 Million Miles in Space

Oct. 8, 2026 NASA’s SpaceX Crew-12 astronauts have returned to Earth after 237 days in space, traveling more than 100 million miles and completing over 3,792 orbits while conducting research to prepare for ...

October’s Night Sky Is Full of Cosmic Tricks and Treats

Oct. 8, 2026 October’s skies are packed with celestial surprises, from Jupiter disappearing behind the Moon to two meteor showers lighting up the darkness. NASA highlights four must-see events, including ...

NASA’s Webb Finds Signs of Mars-Sized Worlds Smashing Together

Oct. 7, 2026 NASA’s James Webb Space Telescope is giving astronomers a glimpse of the kinds of violent collisions that may have shaped our own solar system, including the giant impact thought to have created ...

Don't Miss: Watch Saturn Shine and Halley’s Comet Debris Streak Across the Sky

Oct. 5, 2026 October skywatchers can see Saturn at opposition, catch meteors from Halley’s Comet during the Orionid peak, and watch the Moon sweep past the famous Pleiades star cluster. Moonlight may obscure ...

Einstein Probe Reveals a Hidden Phase of Neutron Star Collisions

Oct. 8, 2026 Einstein Probe revealed nearly 10 minutes of soft X-ray activity following a short gamma-ray burst, exposing a phase of neutron star mergers that previous missions may have missed. The prolonged ...

Watch Live: NASA’s Crew-13 Could Make the Fastest U.S. Trip to the ISS Ever

Sep. 30, 2026 NASA’s SpaceX Crew-13 mission is scheduled to launch four astronauts to the International Space Station on October 1. The Dragon could reach the orbiting laboratory in just 7 hours and 50 minutes, ...

The Early Universe Wasn’t Nearly as Pristine as Scientists Thought

Oct. 2, 2026 JWST has revealed that galaxies were spreading carbon, oxygen, and other heavy elements through space just 500 million years after the Big Bang. The surprising discovery suggests the young universe ...

NASA’s Crew-13 Could Go from Florida to the ISS in Under 9 Hours

Sep. 29, 2026 NASA and SpaceX could launch four astronauts to the International Space Station on October 1, with the Dragon spacecraft reaching orbiting outpost less than nine hours after liftoff. Crew-13 will ...

NASA's Perseverance Mars Rover Finds Groundwater, Lakes, and Hot Fluids in One Place

Sep. 30, 2026 NASA’s Perseverance rover has uncovered a surprisingly complicated history of water in Jezero Crater. Scientists expected the crater’s Margin Unit to contain lake sediments, but instead found ...

The Solar System Chose Fire Over Ice from the Very Beginning

Sep. 22, 2026 Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. ...

The LHC Just Ruled out Another Hiding Place for Quantum Black Holes

Sep. 22, 2026 Physicists searching through Large Hadron Collider data found no evidence that the machine has been producing microscopic quantum black holes, but the result sharply narrows where such exotic physics ...

NASA’s Curiosity Rover Just Hit 5,000 Days on Mars and Sent Back This Stunning View

Sep. 30, 2026 NASA’s Curiosity rover marked 5,000 Martian days by capturing morning and afternoon views that were blended into a striking Mars “postcard.” The panorama shows Curiosity, its tracks, and the ...

NASA’s Moon Orbiter Finds a 728-Foot Crater That Wasn’t There Before

Sep. 18, 2026 NASA’s Lunar Reconnaissance Orbiter has revealed a 728-foot-wide crater that formed on the Moon in 2024, making it the largest newly formed crater ever identified in the solar system. The impact ...

Astronomers Just Found the Youngest Known Planet Ever

Sep. 17, 2026 Astronomers have confirmed a Jupiter-size planet less than a million years old, making Elias 2-24 b the youngest known planet and giving scientists a rare look at a world still being born. Its ...

JWST’s Mysterious Little Red Dots May Be Black Holes Growing at Incredible Speeds

Sep. 17, 2026 New supercomputer simulations suggest JWST’s puzzling Little Red Dots are rapidly growing black holes from the early Universe. Extreme radiation may have helped create unusually massive black hole ...

James Webb Reveals Chariklo’s Mysterious Rings Are Changing Faster Than Expected

Sep. 15, 2026 The James Webb Space Telescope has revealed surprising changes in the rings around Chariklo, a small object orbiting between Saturn and Uranus. Over just a few years, its inner ring became more ...

The Moon May Have Formed Intact Just Hours After a Giant Collision

Sep. 9, 2026 Scientists have discovered that the Moon-forming collision may have depended heavily on how hot and physically strong early Earth and Theia were. New simulations found that some impacts create the ...

Scientists Observe Einstein’s Gravity in the Quantum World for the First Time

Sep. 8, 2026 Physicists have directly observed a long-predicted quantum effect of gravity, putting one of Einstein’s foundational ideas to a striking new test. Using ultracold atoms, researchers split an ...

NASA’s Roman Telescope Will See 100 Times More Sky Than Hubble

Aug. 28, 2026 NASA’s Roman Space Telescope will combine Hubble-like detail with a field of view 100 times larger, giving astronomers a sweeping new way to explore the cosmos. Its observations could uncover ...

Ancient Meteorites Reveal a Powerful Force That Helped Build the Solar System

Sep. 24, 2026 Ancient grains inside one of the oldest known meteorites reveal that a surprisingly strong magnetic field existed during the solar system’s first 200,000 years. The discovery suggests magnetism ...

Scientists May Have Finally Caught “empty” Space Changing Light

Aug. 26, 2026 A magnetar with an astonishingly powerful magnetic field may have revealed a quantum effect predicted by Werner Heisenberg nearly 90 years ago. Its light shows signs that supposedly empty space is ...