NASA has issued an alert about an impending asteroid, one as large as a skyscraper, that is on a trajectory towards our ...

Sooner or later, a sizable asteroid could impact a populated area on Earth. How is the US, and the world, preparing?

Asteroid 2022 YS5 is a building-sized asteroid that is scheduled to make a close approach to Earth on July 17, capturing the attention of astronomers, scientists, and space agencies worldwide.

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 ...

A new space telescope that could spot potentially hazardous asteroids and comets heading for Earth is one step closer to reality. The Near-Earth Object Surveyor space telescope, or NEO Surveyor, has ...

New research warns that if we don't hit an asteroid in exactly the right spot, it could end up on a collision course with ...

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 ...