UFO sightings have been a topic of fascination and debate for decades. While many people dismiss UFO sightings as hoaxes or misidentified natural phenomena, others believe that these sightings are evidence of extraterrestrial life. In recent years, there has been an increase in reports of UFO ...

Gulf Breeze Florida is a hotbed of UFO and USO sightings. In 1980 Ed Walters captured some of the most compelling evidence investigators have ever seen. See more in this clip from Season 2, "Underwater Alien Bases." #UFOHunters Subscribe for more from UFO Hunters and other great shows from ...

Are there hidden meanings behind the obelisks that trace back to extraterrestrials? See more in this scene from Season 19, Episode 4, "The Power of the Obelisks." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at ...

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 ...

Were these mysterious ancient structures built by giants? 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. ...

Billionaire establishes a grant for one of the largest studies of crop circles in history. See more in this scene from Season 19, Episode 2, "The Crop Circle Code." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at ...

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 ...

In cultures throughout the world, there are tales of intimate encounters with otherworldly beings. But could these stories be more than just mythology? See more in Season 7, Episode 8, "Alien Breeders." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY ...

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 ...