Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years ...

A long-circulating Medici murder rumor just hit a scientific wall. New DNA analysis of the remains of two 16th-century ...

A spacecraft was sent into orbit on Friday to rescue the Swift Observatory in a daring first-of-its-kind endeavour.

There are a lot of core activities in the 'single-player' portion, and we're here to help you master all of them.