Despite the nearly full moon illuminating the skies, the Geminid meteor shower could still put on a great show tonight.

A "potentially hazardous" asteroid will fly close to Earth amid a flurry of space activity on Tuesday, December 3. People ...

The massive space rock is large enough to wipe out a small city, and it’s moving toward Earth at about 27,500 miles per hour, ...

The stadium-sized asteroid 2020 XR is due to make its closest approach to Earth on record early on Dec. 4, and the encounter ...

The Department of Astronomy and McDonald Observatory Board of Visitors presents the 2024 Great Lecture. Limited in-person seating is available to the general public on a first-come, first-served basis ...