Could viruses from outer space have played a part in human evolution? Find out 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. #AncientAliens Subscribe for more ...

Enjoy part two of our Top 10 Alien Encounters countdown of 2023, 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 other great The ...

Explore the tantalizing theory of extraterrestrial viruses seeding life on Earth 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. #AncientAliens Subscribe for more ...

Unravel the mysterious crash of an NYPD pilot's encounter with an unidentified flying object in this scene from Season 2, Episode 4, "Extraterrestrial Close Encounters". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

Learn the secrets and ideas of Da Vinci 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 other great The HISTORY Channel shows: ...

Delve into the astonishing account of a man with an unearthly ear implant in this scene from 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 ...

The malfunction of U.S. nuclear missiles after a UFO encounter leaves the U.S. defenseless. Three former Air Force officers tell their story. Enjoy a free trial of National Geographic right here: ...

Might this structure belong to an extraterrestrial epoch in Earth's history? Find out 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 ...

The theory surrounding Baalbek suggests that the construction of the site might have had assistance or guidance from beings beyond Earth. Find out 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 ...

Let's analyze secret alien codes. 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. #AncientAliens Subscribe for more ...

Might an examination of Leonardo Da Vinci's masterful paintings, highly technical hand-drawn sketches, and private journals reveal knowledge of otherworldly technology and extraterrestrial beings? See more in Season 4, Episode 8, "The Da Vinci Conspiracy." Watch your favorite episodes of ...

Alaska's extensive wilderness is known for unexplained disappearances, electromagnetic anomalies, and mysterious creature sightings. Learn more in this scene from Season 2, Episode 6, "Mysteries Beneath the Ice". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...