Across time and cultures civilizations have preserved remarkably similar accounts of sky beings who bestowed the foundational elements of civilization, language, mathematics, architecture, medicine, ...

Complete episode list, ratings, and streaming details for Ancient Aliens Season 15.

As the long-running HISTORY Channel series “Ancient Aliens” begins its live tour, we get a preview from series favorite Giorgio Tsoukalos, a leading expert on Ancient Astronaut Theory, which contends ...