NASA's latest announcement about Mars has left the scientific community and space enthusiasts stunned. The red planet, which has been a subject of intense astrobiology research and interplanetary news, has yielded a disturbing discovery that's sending shockwaves across the globe. From super ...

Do you believe that there's life on Mars? See more in this compilation from Ancient Aliens. 00:00 - Signs of Lost Civilization Found on Mars 03:13 - Were Mythical Fallen Angels Actually Martians? 07:02 - Humankind's RETURN to Mars 11:34 - The Mars Monolith Watch your favorite episodes of ...

Modern technology helps create a high resolution version of an old UFO photo. See more in this scene from Season 19, Episode 17, "The New UFO Hunters." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for ...

Tens of thousands of individuals go missing every year and many are never found. But this is not a new phenomenon. See more in this scene from Season 1, Episode 10, "Gone Without a Trace." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...