Do we know everything NASA knows about potential life in outer space? Check out this compilation from Ancient Aliens. 00:00 NASA’s Untold Extraterrestrial Encounter 05:02 NASA's Extraterrestrial Technology 10:02 Evidence of Alien Wars on Dwarf Planet 13:20 Is There Life on Mars? Watch all ...

Someone on a train in Italy catches a strange triangular group of lights out his window. Could it be a UFO? See more in this scene from Season 3, Episode 8, "Hook Island Monster, Skydiver's Plane Stall, and Somalia Freighter Phantom." Watch all your favorite episodes of The Proof Is Out There, ...

Are there really people from the stars? Do they have anything to do with the mysterious Phoenix lights sightings? See more in this clip from Season 4, Episode 5, "The Phoenix Lights Phenomenon." Watch all new episodes of History's Greatest Mysteries, returning Monday, January 30 at 9/8c, and ...

Why are there so many unanswered questions surrounding Atlantis? See more in this compilation from Ancient Aliens. 00:00- Atlantis on Antarctica 03:16- The Stone Connected with Underwater City 06:11- History between Greece and Ancient Civilization 12:51- Search for Lost City Watch all new ...

Stories of strange encounters accompany many of history's major events. Is it merely coincidence? Or might it be evidence of extraterrestrial intervention? See more in Season 8, Episode 4, "Alien Encounters." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The ...

A news broadcast captures a mysterious flying object in the sky during a California wildfire. See more in this scene from Season 1, Episode 4, "UFOs." Love watching The Proof Is Out There: Bermuda Triangle Edition? Stay up to date on all of your favorite The HISTORY Channel shows at ...

In 1994, 62 schoolchildren in Africa experienced an extraterrestrial encounter that would change their lives forever. The film 'Ariel Phenomenon' follows BBC war reporter Tim Leach and Harvard psychiatrist Dr. John Mack, whose careers were threatened by the investigation of the incident, as ...

Did civilization exist 12,000 years ago? See more in this scene from Season 19, Episode 3, "Mystery of the Lost Civilization." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for ...

UFO sightings stun the world, soon after US shoots down Chinese Spy Balloon; Listen in to what US & Canadian authorities have to say... UFOs or balloon-like objects were always there, probably after the Feb 4 incident (#US shooting down Chinese #SpyBalloon), awareness is more: Grp Capt Uttam ...

The following are the top 5 instances of government cover-ups regarding alien activity. 00:00 The Navy, Nuclear Weapons and UFOs 04:15 Inexplicable Flying Objects 08:41 US Government Sees More than We Know 12:34 Project Blue Book Attempts to Prove UFO Phenomenon 16:47 The Roswell ...

Throughout history, spiritual leaders known as shamans have healed, protected and advised their people. But are they simply putting on elaborate ceremonies? See more in Season 7, Episode 6, "The Shamans" Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY ...

These UFO's seem to be attracted to volcanoes due to their heat emissions. See more in this scene from Season 3, Episode 7, "Witch's Broomstick, UFOs vs. Volcanoes, and Oakville Blobs." Watch all your favorite episodes of The Proof Is Out There, and stay up to date on all of your favorite The ...