Picture this. You're sitting at breakfast, scrolling the news, when suddenly headlines scream that a space rock the size of a ...

The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Dust and rock collected from the asteroid Bennu contained many of life’s building blocks, including all five nucleobases used ...