A car-sized asteroid will pass at about half the distance between Earth and the moon tonight (Dec. 6), concluding a busy week ...

The spunky Lucy mission will make a second gravity assist of our world tonight as it heads off on its hunt for the solar ...

Even small asteroids can do a lot of damage—and new research shows the James Webb Space Telescope is adept at spotting the tiniest of space rocks.

Astronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ever seen in the asteroid belt between Mars and Jupiter.