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 ...

Spielberg fans quickly rushed to social media after seeing the new billboards to theorize about what the still-untitled movie ...

Everyone loves a good alien invasion story, preferably one with city-sized ships and physics-defying tech. There's just one big problem with that. The Milky Way is estimated to contain 100 to 400 ...

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