The space rock is hurtling toward the Earth at a zippy 8,478 miles per hour miles per hour, according to the space agency.

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 ...

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 ...

NASA flags an asteroid, the odds shift, and better tracking usually turns worry into a clean miss. The system improves each ...

While humanity has determined how to mind-control beetles and extinguish fire with sound waves, it has yet to devise a surefooted plan for dealing with an asteroid collision, a procrastination that ...