Is it possible that the perfectly carved stone boxes--each weighing more than 70 tons--were designed not by humans... but by otherworldly visitors? See more in this scene from Season 20, Episode 17, "Egypt's Giant Tombs." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up ...

With infrared satellite technology, many believe we have found pyramids beneath the surface of the earth, launching an age of discovery that could rewrite history. See more in Season 1, Episode 16, "Aliens & Pyramids." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to ...

Will anyone be able to solve the mystery of the Bermuda Triangle? 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 HISTORY Channel website at http://history.com/schedule. ...

Ancient Astronaut Theorists believe humans didn't evolve on earth. See more in this clip from Aliens and Human Evolution. 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. ...

In 2019, millions responded to an internet post advocating to storm the gates of the world's most top-secret military installation--Area 51. See more in Season 14, Episode 20, "The Storming of Area 51." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of ...

Ancient Astronaut Theorists proposed a notion that the human race originated on Mars, and our journeys into space could be leading us towards a return to our ancestral homeland, in this clip from Season 16, "The Space Travelers." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and ...

Tattoos, piercings, and body modification account for a nearly one-billion-dollar industry. See more in Season 14, Episode 19, "Human Hieroglyphs." 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 ...

Archaeologists uncover evidence of the burial of an early Egyptian god, in this clip from Season 20, "Egypt's Giant Tombs." 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 ...

Be warned: these 4 stories of alien abductions will absolutely terrify you, 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. ...

For more than four decades, award-winning journalist Linda Moulton Howe has covered the most mysterious phenomena on Earth. See more in this scene from Ancient Aliens Season 20, Episode 18, "The Linda Moulton Howe Files." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up ...

Ancient Greeks, Egyptians and other cultures have legends about exceptional children who are the offspring of humans and the gods. See more in Season 2, Episode 24, "Alien Influences." Stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. ...

Dr. J. Allen Hynek pioneered new ways of studying aerial phenomenons and later developed a UFO classification system modeled by others, in this clip from Season 15, "The UFO Pioneers." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows ...