Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse.

At least 10 asteroids are set to make close approaches to Earth over a three-day window between December 18 and December 20, ...

Asteroid 2025 XM’s recent flyby offered a reminder of how closely Earth is watched for cosmic hazards. The plane‑sized object ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During ...

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