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Comets/Asteroids

Picture shows a snowy field with mountains in the background.

Researchers in Antarctica turned up a large amount of a form of iron likely forged in nearby supernova explosions.

Ramin Skibba, Contributor

Test of mining prowess of microbes lifted off yesterday. 

Brian Owens, Contributor

The tiny world of Ultima Thule, which lies at the outer edges of the solar system, is flattened like a pancake, with few craters.

Catherine Meyers, Editor

Blazing meteor streaks through the Earth's atmosphere

Astronomers are trying to deflect a near-Earth asteroid for the first time, to prepare for a future object on a collision course with the planet.

Ramin Skibba, Contributor

Their observations confirm water lurks in the moon's subsoil, not just at the poles.

Ramin Skibba, Contributor

We look back in space-time this month to herald a new year.

Abigail Malate, Staff Illustrator

Radar has revealed evidence of an environmentally significant impact that probably occurred during the last 2.6 million years.

Charles Q. Choi, Contributor

Scientists are training computers to help us stop asteroids from crashing into our planet.

Yuen Yiu, Staff Writer

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