Check out these mysterious messages hidden in the stars. 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 http://history.com/schedule. #AncientAliens ...

There are those who believe that embedded in our most sacred religious texts, as well as in the design and location of ancient monuments, are secret messages--messages that may reveal the purpose behind our very existence. Could it be true? See more in Season 9, Episode 7, "Alien Messages." ...

A nighttime raid during WWII reveals strange red lights that suddenly disappear. See more in this clip from Season 21, Episode 8, "The Glowing Orb Phenomenon." 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 ...

Check out these hidden alien bases. 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 http://history.com/schedule. #AncientAliens Subscribe for more from ...

Ancient alien theorists reveal secret codes various civilizations have been using. See more in this Ancient Aliens marathon. 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 http://history.com/schedule. ...

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 ...

Throughout history, incredible stories have been told of the dead rising from their graves, mummies journeying into the afterlife, and people on the brink of death mingling with deceased relatives in a celestial netherworld. See more in Season 9, Episode 6, "Alien Resurrections." Watch all ...

Prepare to embark on episode 1 of a mind-bending journey as we delve into the intriguing world of extraterrestrials that share our milky way galaxy in this beginners overview episode. Over the past 50 years, an array of astonishing revelations has emerged, shedding light on various alien ...

Jellyfish UFO Returns?! Insane UAP Sightings! Join ChaosMoogle as we dive into the latest mind-blowing UAP sightings that will leave you questioning the existence of aliens! The Jellyfish UFO Returns?! Insane UAP Sightings! video is packed with shocking footage and eyewitness accounts that ...

For thousands of years, in cultures throughout the world, people have practiced elaborate techniques to preserve the human body after death. See more in Season 9, Episode 5, "Secrets of the Mummies." Watch all new episodes Fridays 9/8c; Stream Next Day, and stay up to date on all of your ...

Researchers find mysterious aztec codices in Mexico City. See more in this clip from Season 21, Episode 7, "Mysteries of the Aztecs." 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 ...

Follow David Childress as he investigates mysteries around the world. 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 http://history.com/schedule. ...