Ancient astronaut theorists believe there was an otherworldly presence inhabiting these mysterious sites. See more in this Ancient Aliens compilation. Watch all new episodes Fridays 9/8c; Stream Next Day, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

More than 200 UFO sightings are reported in Michigan every year. Source

One of the most compelling arguments for the Ancient Astronaut theory is the remarkable engineering evident in the construction of ancient megalithic sites worldwide. See more in this scene from Season 1, Episode 1, "Extraordinary Engineering." Watch all new episodes of Ancient Aliens, Fridays ...

One of the most compelling arguments for the Ancient Astronaut theory is the remarkable engineering evident in the construction of ancient megalithic sites worldwide. See more in this scene from Season 1, Episode 1, "Extraordinary Engineering." Watch all new episodes of Ancient Aliens, Fridays ...

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 ...

Did aliens help us out in the war?! See more in this scene from Season 1, Episode 2, "Ancient Close Encounters." 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. ...

Were these lethal weapons the product of human innovation--or were they created with help from another, otherworldly source? 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 ...

For thousands of years, mankind has told tales of encounters with strange, soulless creatures. Are these beliefs merely man made fabrications--or could there be extraterrestrial origins in earthly encounters with the undead? See more in Season 2, Episode 9, "Aliens: Dead or Alive." Watch all ...

Are recent breakthroughs in medicine the result of years of research? Or does the knowledge of healing really come from an otherworldly source? See more in Season 6, Episode 6, "Alien Operations." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your ...

A real mixed bag of UFO/UAP sightings from Austria to Chile. Musical Thanks: Machinations by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/ Source

This is 1 hour of numerous UFO sightings that went viral throughout 2023. Most of this footage is from our previous channel that has been combined to create one awesome catalogue of possibly Extraterrestrial life. Relevant words ancient aliens, ancient aliens full episodes, ancient aliens ...

Dive into the realms of fear and mystery as we unveil the top 3 most frightening contact events and close encounters with extraterrestrial beings in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...