Researchers do a deep dive analysis on some strange alien theories, see more in this Ancient Aliens marathon. New Season Fri., Feb. 7 at 9/8c; Stream Next Day, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

During a congressional hearing regarding Unidentified Aerial Phenomena, the Pentagon released never before seen footage of UFO activity. See more in this clip from Season 3, Episode 11, "Congressional UFOS, New Nessie and Zombie Fish." Watch all your favorite episodes of The Proof Is Out ...

Check out these strange & unbelievable alien theories, see more in this Ancient Aliens marathon. #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our ...

For thousands of years, there have been places around the world considered dangerous to humans. Might these locations hold the key to an otherworldly connection? See more in this marathon from Ancient Aliens. New Season Fri., Feb. 7 at 9/8c; Stream Next Day, and stay up to date on all of your ...

From the beginning of recorded history, humans have told stories about beings with super-human strength, super-sonic speed, and supernatural abilities. See more in this marathon from Ancient Aliens. New Season Fri., Feb. 7 at 9/8c; Stream Next Day, and stay up to date on all of your favorite ...

Check out these top UFO sightings in Italy, see more in this The Proof Is Out There compilation. Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. If you are interested in ...

Ancient Astronaut Theorists question who built Nan Madol after an artificial irrigation system is discovered, in this clip from Season 15, "The Mystery of Nan Madol." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY ...

For thousands of years, pyramids were the largest structures on Earth. But what purpose did the pyramids serve? See more in this marathon from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel ...

Watch new episodes on HISTORY. Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The ...

Check out these insane moments in this Ancient Aliens compilation. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

This Canadian official made a shocking announcement on international TV. See more in this #Short from Ancient Aliens Special Presentation. Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: History Newsletter - https://histv.co/newsletter ...

Experts examine a piece of cloth that is believed to be the actual burial clothes of Jesus Christ. See more in this compilation. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...