What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past?

Explore ancient mysteries and theories about alien involvement in ancient civilizations, from the Nazca lines to Puma Punku.

Another example of such magical thinking (see my prior post) is the ancient alien theory that the disappearance of the dinosaurs sixty-five-million years ago was not an extinction so much as an ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

ZURICH, Jan 11 (Reuters) - ‌Best-selling Swiss author Erich von Daeniken, who built a lucrative career on his argument, rubbished by scientists and archaeologists, that humanity owes much of its ...

His 1968 book, “Chariots of the Gods,” sold hundreds of thousands of copies, but one critic called it a “warped parody of reasoning.” By Mike Peed Erich von Däniken, the best-selling Swiss author and ...

The popular history docuseries Ancient Aliens returns to the History Channel with its season 22 premiere Thursday, Ja. 15 at 9/8c. During the season 22 premiere episode, viewers tuning in will join ...