Destruction will rain down on our planet. Who will be prepared? See more in this compilation from Ancient Aliens. 00:00 Doomsday Vault 05:29 Book of Revelation 11:26 Aliens Descended from Humans Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...

The truth is coming out about Roswell. See more in this scene from Season 2, Episode 2, "Extraterrestrial Informants." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other ...

Bob Lazar reveals information about Area 51. See more in this scene from Season 2, Episode 2, "Extraterrestrial Informants." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and ...

Does an alien really work with the government at Area 51? See more in Season 2, Episode 4, "Extraterrestrial Close Encounters." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens ...

Where did the origins of magic begin? See more in this compilation from Ancient Aliens. 00:00 ORIGINS OF MAGIC EXPLAINED 04:59 WITCHCRAFT FROM OUTER SPACE 09:57 Alien Zombie Resurrection Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...

What secrets lay in this ancient written language? See more in this scene from Season 2, Episode 5, "Aliens and the Buried Past." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

Check out these top 3 moments where Ireland experienced extra terrestrial phenomena. See more in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

Did giants from the sky build these structures on Earth? See more in this scene from Season 2, Episode 5, "Aliens and the Buried Past." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

An investigation is opened when a pilot claims to have seen a gigantic spaceship while on a flight. See more in this scene from Season 2, Episode 1, "Unidentified Aerial Phenomena." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

Witness the top 5 most compelling UFO sightings connected to the enigmatic Skinwalker Ranch in this exclusive recap. New episodes of The Secret of Skinwalker Ranch coming soon. Stay up to date on all your favorite The HISTORY Channel shows at http://history.com/schedule. Check out more full ...

Do these pieces of evidence point to otherworldly connections to mankind? See more in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and ...

The largely unexplored continent of Antarctica has long been subject to rumors of UFOs, underground tunnel networks, and concealed ancient structures, giving rise to speculation about an alien presence beneath its icy surface. Learn more in this clip from Season 2, Episode 6, MYSTERIES BENEATH ...