Two archaeologists explore the enduring myth that extraterrestrials contributed to the various ancient cultures around the ...

This article will take you through the evolution of UFO sightings, from ancient accounts to modern-day encounters, ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most basic statistics point toward the existence of countless potentially ...