Plan the ultimate American West road trip with 13 state-by-state itineraries that'll take you to glaciers, canyons, hot springs, beaches, volcanoes, and wide-open skies.

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Renewed attention is falling on the base after the disappearance of retired Air Force Maj. Gen. William Neil McCasland.

Before you watch Disclosure Day you need to take a trip to Steven Spielberg's previous alien entries.

T he blooming of a titan arum, or corpse plant, is a spectacle like none other in the plant world. A pale spike resembling ...

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

California Gov. Gavin Newsom pardoned a convicted attempted murderer who was an undocumented immigrant, opening the possibility for him to stay in the country, according to the U.S. Department of ...