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 ...

Physicists at the University of Oxford have contributed to a new study which has found that iron-rich asteroids can tolerate ...

As our understanding of space grows, so does our awareness of the potential threats posed by near-Earth asteroids. Recent studies have identified five such asteroids now considered significant risks, ...

Scientists have spotted a small asteroid that may circle Earth as a mini moon before shifting onto a path that could make it a hazard later in the century. NASA has calculated the asteroid’s orbit and ...