Asteroids
Asteroid That Decimated the Dinosaurs Struck in Spring
Clues from fossil fish help scientists pinpoint the season when Earth’s fifth mass extinction began
Was Georgia O'Keeffe's Genius Appreciated Outside of America? And More Questions From Our Readers
You've got questions. We've got experts.
Ten Dazzling Celestial Events to See in 2022
Stargazers in North America can look forward to meteor showers, lunar eclipses and a stunning multi-planet lineup this year
This Metal-Rich, Potato-Shaped Asteroid Could Be Worth $10 Quintillion
In August, NASA is sending an orbiter to the space object, which may be the partial remains of planet-forming material made of nickel and iron
What Five Grams of 'Primordial' Stardust From an Asteroid Tell Scientists About How the Early Solar System Formed
Ryugu is a carbonaceous, water-rich space rock with a unique, dark coloration and porous composition
The Very Real Effort to Track Killer Asteroids and Comets
In "Don't Look Up," researchers warn authorities about a comet hurtling towards Earth. Such a scenario isn’t just science fiction
The Ambitious Idea to Study the Evolution of a Comet
Researchers want to send a spacecraft near Jupiter to join up with a chunk of rock and ice as it’s flung toward the sun
A Chip Off the Moon May Be Tailing Earth on Its Orbit Around the Sun
Researchers suspect the fragment may have been debris from a cratering event on the lunar surface
NASA's Lucy Probe Asteroid Mission Will Study Fossil-Like Origins of Our Solar System
The spacecraft launches on October 16 and is expected to reach its target by 2027
In 2182, It Could Be Cloudy With a Chance of Asteroid
Scientists calculate Bennu will come close, but will most likely miss Earth in about 160 years
Dinosaurs May Have Been Declining Before the Asteroid Struck Earth
The researchers say the cataclysmic impact may have simply been the final nail in the dinos’ coffin
New Research of Impact Crater Blows Away Previous Estimates of Its Age
Scientists say the Boltysh crater in Ukraine formed well after the impact in Mexico that caused the dinosaurs to go extinct
Fireball Illuminates Skies Across East Coast of Florida
The asteroid fragment weighed 900 pounds and hit Earth's atmosphere at 38,000 miles per hour
How the Dinosaur-Killing Asteroid Spurred the Evolution of the Modern Rainforest
New evidence from fossil plants shows today’s South American rainforests arose in the wake of Earth’s fifth mass extinction
Sending DNA From Earth's 6.7 Million Species to the Moon to Safeguard Life
Researchers propose constructing a 'lunar ark' to provide our planet with a 'reset button' in the event of a world-ending catastrophe
Astrophysicists Chart Source of Asteroid That Killed Dinosaurs
A new model explains a possible route for the extraterrestrial rock before it blasted Earth
Japan Retrieves Space Capsule Full of Asteroid Samples in Australia
The successful landing marks the completion of Japan’s Hayabusa2 mission, which studied the 3,000-foot-wide asteroid Ryugu
NASA Snags Its First Asteroid Sample
On a mission more than 200 million miles away from Earth, the OSIRIS-REx spacecraft grabbed rocks from Bennu
What an Asteroid Could Tell Us About Ancient Earth
Knowing those rocks’ origins will help scientists learn more about the composition of objects in the solar system and asteroid belt
Asteroid Bennu Could Shed Light on How Ingredients for Life Reached Earth
New, detailed imagery of the asteroid’s surface show that it’s covered in boulders and carbon-containing molecules
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