The comet, which will come within roughly 167 million miles (270 million kilometers) of our planet, will be tracked by telescopes around the world so astronomers can pinpoint its location and make ...

An asteroid estimated to be a kilometer (3,451 feet) wide will fly by Earth on January 18. The video in the media player above is from a related report. It will pass within 1.2 million miles of our ...

CHICAGO -- A NASA spacecraft has intentionally slammed into an asteroid in humanity's first test of planetary defense. The impact occurred at 7:15 p.m. ET greeted by cheers from the mission team in ...

NASA's Jet Propulsion Laboratory is tracking a near-Earth asteroid roughly the size of an airplane. The asteroid named 2025 ...

An asteroid around the size of a football field is expected to zoom by Earth on Tuesday, but at a safe distance, the US space agency said. A relatively large near-Earth asteroid discovered nearly ...

NASA's Lucy spacecraft is preparing for its first close-up look at an asteroid. On Nov. 1, it will fly by asteroid Dinkinesh and test its instruments in preparation for visits in the next decade to ...