Asteroids
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
Earth May Soon Get Another Mini-Moon, but It's Probably Just a Piece of Space Trash
It could be an asteroid—or, as one astronomer suggests, it could be a rocket booster from the 1960s
NASA Mission Shows Dwarf Planet Ceres Is Geologically Active
Seven studies of data from the Dawn spacecraft’s final orbit makes the case for liquid under the dwarf planet's surface
After the Dinosaur-Killing Impact, Soot Played a Remarkable Role in Extinction
The famous impact 66 million years ago kicked up soot into the atmosphere that played an even bigger role in blocking sunlight than experts had realized
Scientists Suggest New Origin Story for 'Oumuamua, Our Solar System’s First Interstellar Visitor
Perhaps the cigar-shaped object is a shard from a shredded planetary body, a computer simulation suggests
Japan's Experiment to Calculate an Asteroid's Age Was a Smashing Success
The spacecraft Hayabusa2 hurled a four-pound copper ball toward the asteroid's surface at about 4,500 miles an hour to create an artificial crater
Where Will NASA Explore Next? Here Are the Four Shortlisted Missions
Targets include Venus, Jupiter’s moon Io and Neptune’s moon Triton
The Most Cratered Object in the Asteroid Belt Looks Like a Golf Ball
Pallas's odd orbit sends it crashing through the asteroid belt, colliding with other objects along the way
Astronomers Spot First Asteroid Nearer to the Sun Than Venus
Such “intervenusian” rocks are both rare and difficult to detect
How to Catch the Quadrantids, the First Major Meteor Shower of the 2020s
This cosmic light show will peak in the predawn hours of January 4
A Spacecraft Will Follow NASA's Asteroid-Smashing Mission to Measure the Effects of the Impact
The European Space Agency's Hera mission will collect data after NASA's DART mission impacts the asteroid Didymos B
NASA Names Most Distant Object Ever Explored 'Arrokoth,' the Powhatan Word for Sky
The space rock's initial nickname, Ultima Thule, drew criticism for its ties to Nazi ideology
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