Asteroids
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
What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit the Earth
Using rock cores from Chicxulub crater, geologists piece together a new timeline of the destruction that followed impact
Astronomers Make Massive Discovery on the Far Side of the Moon
The heavy core of a giant asteroid may be buried beneath the moon's South Pole-Aitken basin
An Ancient Asteroid Crater May Be Hiding Off Scotland’s Coast
Scientists think they have honed in on the spot where the collision occurred 1.2 billion years ago
NASA Prepares to Build Spacecraft Bound for a Metal Asteroid
The Psyche spacecraft, headed to an asteroid with the same name, will explore a metal world thought to be the leftover core of a destroyed planet
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