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

The Ursids peak Sunday night into Monday morning and will be visible until Dec. 26 from the Northern Hemisphere. Skygazers ...

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

Comet 3I/ATLAS will make its closest approach to Earth at 1 a.m. EST (0600 GMT) on Dec. 19. At that time, it will be about ...

SpaceX's Starlink said one of its satellites experienced an anomaly in space on Wednesday that created a "small number" of ...

Saturn's giant moon Titan may not have a vast underground ocean after all. Titan instead may hold deep layers of ice and ...

For winter, the start date usually falls on December 21 or 22, but every so often, it can sneak in as early as the 20th or as ...

Whether you’ve been heading out to your local cineplex or staying home to enjoy flicks from the comfort of the couch, this ...

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

The U.S. and Ukraine’s European allies have put together a plan of security guarantees containing detailed, robust and serious measures to ensure that any peace deal with Russia holds, according ...