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 from now, should the nation be fortunate enough to survive that long?

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

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