“Impact flashes on the moon are very common,” University of Colorado Boulder astrophysical and planetary sciences professor ...

A tiny asteroid measuring some 27 inches (70 cm) wide was detected on a collision course with Earth above Siberia. It is expected to burn up harmlessly on the morning of Dec. 3, 2024.

NASA's Planetary Defense Coordination Office is responsible for finding and tracking potentially dangerous asteroids before ...

In the early morning of June 30, 1908, a massive explosion flattened entire forests in a remote region of Eastern Siberia along the Tunguska River. Curiously, the explosion left no crater, creating a ...

They asked for global participation in “Asteroid Day,” an event to be held June 30, 2015, the 107th anniversary of the Tunguska event, an explosion caused by an incoming asteroid or comet that ...