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 ...

The asteroid Dimorphos, left, is shown with its larger companion Didymos in space as it blasts dust and boulders in a lopsided debris cone following the NASA DART mission on Sept. 26, 2022. Credit: ...

Small asteroid 2022 EB5 impacted Earth was discovered by Krisztián Sárneczky using the 0.60-m Schmidt telescope at Konkoly ...

Deflecting asteroids by running spaceships into them may sound like science fiction, but it's quite real. And it's quite a bit more complex than anyone thought.

NASA has confirmed that asteroid 2024 YR4, a space rock approximately the size of a 15-story building, might collide with the ...