Researchers believe they’ve discovered artificial structures on Mars, home to extraterrestrial civilizations, in this clip from Season 3, "Mysteries of Mars" Watch all new episodes of The UnXplained, Fridays at 8/7c, and stay up to date on all of your favorite The HISTORY Channel shows at ...

On July 4th, 2018, an eyewitness spots something in the sky that’s far more startling than fireworks, in this clip from Season 2, "Real Excalibur & Texas Teleportation." Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your favorite The HISTORY ...

On February 21st, 2021, a mysterious cylinder-shaped object flew over an aircraft while traveling in the sky, in this clip from Season 2, "Snakelike Sea Monster / North Korean Supersoldier." Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your ...

65 million years ago, a giant asteroid caused dinosaurs to go extinct, and this extinction strangely correlates to the Mayans, in this clip from Season 4, "Aliens and Dinosaurs". Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your favorite The HISTORY ...

An investigator comes across something extraordinary while scanning images of Antarctica, see more in this clip from Proof Is Out There “Solar Spaceship & Invisibility Cloak.” Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your favorite The ...

On January 9th, 2017, a shape-shifting UFO hovers over Salento, Italy leaving experts stumped, in this clip from Season 2, "Two-Headed Serpent & Mummified Monster". Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your favorite The HISTORY ...

A theoretical physicist at the University of Connecticut shares his prototype for a large time machine that extraterrestrials could’ve also used, in this clip from Season 4, "The Time Travelers." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your ...

A strange object was spotted flying overhead in Florida, and experts believe it might’ve come from another solar system, in this clip from Season 2. Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your favorite The HISTORY Channel shows at ...

Researchers believe they have captured Australia’s very own Bigfoot on camera, but experts have a different option, in this clip from Season 2. Watch all new episodes of The Proof Is Out There, returning Friday, December 3 at 10/9c, and stay up to date on all of your favorite The HISTORY ...

Sacred tales of the ancient world may provide new clues to the oldest records of time travel ever experienced, in this clip from Season 4, "The Time Travelers." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your favorite The HISTORY Channel shows at ...

While searching for a unique rock, an eyewitness notices a strange glowing light hovering above him, see more in this clip from Proof Is Out There "Apocalyptic Lights & Baby Sharkman." Watch all new episodes of The Proof Is Out There, returning Friday, December 3 at 10/9c, and stay up to date ...

Scientists at Cornell University come across evidence of multiple advanced extraterrestrial civilizations after analyzing a map of the Milky Way, in this clip from Season 3, "Apocalypse When?" Watch all new episodes of The UnXplained, Fridays at 8/7c, and stay up to date on all of your ...