UFO Conclusion - What is the alien agenda? And why has the government gone to such great lengths to stifle the overwhelming evidence that otherworldly creatures exist? Some of our greatest minds unveil the truth behind this massive cover-up. Stars: Stephen Bassett, Maire Clerkin, Stanton ...

On November 11th, 2014, the Chilean Navy caught two large overlapping orbs on camera. The footage is now turned over to experts to authenticate, in this clip from Season 2, "UFOs Caught on Camera." Watch all new episodes of The Proof Is Out There, returning September 17 at 10/9c, and stay up ...

A property manger in Kansas witnesses something very strange in the sky, in this clip from Season 2, "Wichita UFO & Booming Sea Sound." 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 ...

These crazy theories continue to permeate pop cultural. For this list, we’ll be looking at the conspiracy theories that loom largest in popular culture and the public imagination - whether thanks to their popularity or improbability. Our countdown includes National Hidden Treasure, Satanic ...

A glowing orb sparks scientists to question our own evolution, in this clip from Season 2, “Alaskan Sea Monster & Mystery Jungle Jet.” 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 ...

Space is full of the known and the unknown! However, the unknown far outweighs the known, and we continually get baffled by phenomenons that, try as may, we cannot explain! Thanks to sophisticated equipment and sound data interpretation, we can detect many strange things, even though we ...

Ancient Astronaut Theorists believe that the obelisk of Egypt was constructed to provide a profound connection to the gods, in this clip from Season 17, "Mystery Of the Standing Stones." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite The ...

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Look up at the night sky and, if you're away from city lights, you'll see stars. The space between those bright points of light is, of course, filled with inky blackness. Some astronomers have wondered about that all that dark space — about how dark it really is. "Is space truly black?" says ...

Two astronauts capture a strange object orbiting the International Space Shuttle, in this clip from Season 2, “Malaysian Toilet Monster & The Buzzer.” 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 ...

Ancient Astronaut Theorists believe that Garuda caused a brutal nuclear attack on a small town in southern Pakistan, in this clip from Season 3, "Aliens and Monsters." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your favorite The HISTORY Channel ...

Ann Marie Cody is a research scientist with SETI who combs the universe looking for hints that we might not be alone. Subscribe to MOTHERBOARD: http://bit.ly/Subscribe-To-MOTHERBOARD Follow MOTHERBOARD Facebook: http://www.facebook.com/motherboardtv Twitter: ...