Apophis is a peanut-shaped space rock spanning 1,230-foot (375 meters) across comparable to that of the Eiffel Tower. At this ...

NASA has issued an alert that an asteroid, TP17, is scheduled to skirt by Earth today at a distance of 2.8 million miles.

It's easy to see why this argument comes up: there are big problems to solve here on Earth, and going to space is expensive.

The sight of a fireball streaking across the sky brings wonder and excitement to children and adults alike. It's a reminder ...

Prior to the new research, scientists had traced the source of just 6 percent of the known meteorites that fell on our planet ...

From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...

This event is linked to Halley’s comet, and occurs as another comet, Tsuchinshan-ATLAS, remains visible. But a nearly full ...