A possible black hole is created during a Menlo Park experiment. See more in this scene from Season 1, Episode 8, "Energy Lines and Hot Spots." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

Is there evidence of extraterrestrial technology existing on our planet? 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 ...

This information about alien life on distant planets may surprise you. See more in this compilation 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 website at http://history.com/schedule. ...

Something is penetrating the sophisticated air defense network. 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. #AncientAliens Subscribe for more ...

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 ...

Meteor impacts, cosmic microbes, and space viruses have significantly impacted life as we know it. See more in this scene from Season 2, Episode 3, "Interstellar Fallout". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

Did aliens construct this ancient wonder of the world? 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. 00:00 — Aliens Construct the 8th Wonder of the World 05:57 — Mysterious ...

Recent discoveries suggest that some of the debris falling to Earth could have originated from other star systems and may even be of artificial origin. See more in this scene from Ancient Aliens Season 2, Episode 3, "Interstellar Fallout." Watch your favorite episodes of Ancient Aliens on The ...

Get ready to be amazed by these TOP 22 real UFO sightings caught on camera! These shocking footages are something you should not miss if you're a fan of UFO sightings and mysterious phenomena. Watch as we delve into some of the most compelling evidence of extraterrestrial activity on Earth - ...

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 ...