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 ...

Born in Schaffhausen, Switzerland, in 1935, von Däniken rose to prominence when he published Chariots of the Gods? while working as a hotel manager in Davos. The book posed a provocative question that ...

Could the universe have more than three dimensions—and if it does, could life exist there? If higher-dimensional beings are ...

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