Nevada's Extraterrestrial Highway is one of America's strangest road trips. It passes abandoned desert settlements, mysterious landmarks, and the edge of the legendary Area 51, where decades of ...

Ancient theorists insist there are more government sites engaged in extraterrestrial research than ever, in this scene from ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...