Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.

The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

A building-sized asteroid had a 1-in-32 chance of hitting Earth at its peak, but astronomers soon found there was zero chance ...

Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life ...

Space communications expert, Alexandra Doten, has explained what the discovery of a gum-like substance on an asteroid 63 ...

The space object, which was only recently discovered by scientists, will pass closest to Earth on Friday, December 19. Here's ...

Scientists discovered ribose — in addition to “all five nucleobases used to construct both DNA and RNA” — on asteroid Bennu, ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

On Dec. 13, 2012, a Chinese spacecraft flew by the asteroid Toutatis. [‘On This Day in Space’ Video Series on Space.com] ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.