A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, providing knowledge and advanced weaponry, or engaged in secret wars with ...

A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Project Blue Beam, a conspiracy theory originating from Serge Monast's 1994 claims, suggests a government-led scheme to ...

Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.

The podcaster has frequently expressed an interest in the subject but said Thursday there's one aspect that "doesn't totally make sense." ...