NASA on Thursday walked back a prediction that an asteroid had a "small, but notable" chance of impacting Earth or the moon in 2032 based on newly analyzed data.

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Scientists uncovered a vast field of tektites in Brazil—a rare type of natural glass forged in the aftermath of meteorite ...

Learn how bacteria survived a simulated asteroid impact and could travel between planets on asteroid debris.

There are only a few known fields of tektites in the entire world, and scientists just found another in Brazil.

A super-tough microbe may be able to survive being blasted from Mars into space—opening the door to interplanetary life ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...