Watch new episodes of Ancient Aliens returning Saturday Jan 25, at 10/9c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule.
Ancient Astronaut Theorists explore how England’s Stonehenge functioned as an ancient observatory of the stars – and how ancient people had the technology to construct it, in this digital exclusive from Season 12. #AncientAliens
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“Ancient Aliens” explores the controversial theory that extraterrestrials have visited Earth for millions of years.
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