Ancient astronaut theorists believe that the remarkable folding ship gifted to one of the Viking gods from Loki was an alien spacecraft, in this clip from Season 5, "The Viking Gods." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your favorite The ...

The team conducts an underground experiment to measure the conductivity at Homestead 2, and the results are startling, in this clip from Season 2, "Shocking Revelations." Watch all new episodes of The Secret of Skinwalker Ranch, Tuesdays at 9/8c, and stay up to date on all of your favorite The ...

Thursdays at 10/9c Some ancient alien theorists believe the Great Pyramid was the world's first power plant. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: ...

Thursdays at 10/9c Did aliens discover a new planet that could rival Earth? Find out! Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check out ...

All New Season, Friday December 21 at 9E/10P Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check out exclusive HISTORY content: History ...

Vitrified fortifications found in Scotland have been called evidence that death rays were in use in ancient times. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our ...

Ancient Astronaut theorists believe that ancient man may have had extra-terrestrial help to build colossal structures like Stonehenge. Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on ...

Could a mysterious portal carved into a cliff near Peru's Lake Titicaca be an ancient stargate? #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: ...

History as we know it will change forever with the premiere of Ancient Aliens on April 10th at 9/8c on HISTORY. Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: ...

Don't miss the return of Ancient Aliens on Friday, April 10th at 9/8c on HISTORY. Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check out ...

Watch the new season of Ancient Aliens this summer starting Friday, July 24th at 9/8c on HISTORY. "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years. Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

The Hamitic Hypothesis was a 19th century anthropological theory that claimed that humans originated in Asia and then migrated to other regions of the world. The theory was used to explain the discovery of so-called “white races” in Africa in the late 1800s. The Hamitic Hypothesis was not simply ...