Do Aliens & UFOs exist? Has man been visited by other races from other worlds? Explore the fascinating evidence for and against the existence of extraterrestrials.

The Hill Abduction

In 1961 Barney and Betty Hill reported that they were abducted by a UFO for two hours and underwent experiments. They eventually sought psychiatric help for subsequent disturbing dreams. Learn more about the Hill abduction.

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  • Could aliens really watch old TV shows?

    Could aliens really watch old TV shows?

    In space, no one can hear you scream — but they might be able to hear The Beatles' "Across the Universe." The idea of ETs listening to our radio signals or watching our TV shows is pretty far out, but is it even possible? See more »

  • How Aliens Work

    How Aliens Work

    Alien life forms would probably differ from those on Earth but still adhere to certain principles. Learn about astrobiology and the search for alien life forms. See more »

  • How Area 51 Works

    How Area 51 Works

    Less than 100 miles from Las Vegas, is the most famous secret military installation on the planet: Area 51. For decades, the U.S. government refused to acknowledge it existed. But now, the secret is out. See more »

  • How UFOs Work

    How UFOs Work

    The accounts are oddly similar: darting lights in a night sky, a hovering disc, radio interference. How can so many people be "mistaken"? Learn about the evidence for and against alien UFOs and check out some of the stranger tales of contact. See more »

  • July 7, 1947: UFO Crashes in Roswell, N.M.

    July 7, 1947: UFO Crashes in Roswell, N.M.

    In July, 1947, unusual debris was found in Roswell, N.M. The U.S. Army stated they had received a crashed disc, only to rescind it hours later. Learn more about the Roswell,N.M. UFO crash. See more »

  • What are the odds there is life in outer space?

    What are the odds there is life in outer space?

    Are we alone? Jodie Foster's character in "Contact" didn't think so, and neither do the scientists who've been listening for an extraterrestrial message for decades. See more »

  • What are UFOs really?

    What are UFOs really?

    Not a star. Not an airplane. No, this is something radically different. It moves through the night sky with amazing speed and pulsates with radiance beyond anything you've ever witnessed. UFO? See more »

  • Alien Abductions

    Alien Abductions

    Many people have reported alien abduction stories. Most of the abductees have shared their stories through hypnosis -- which causes wide disagreement about their validity. Read more about alien abductions. See more »

  • Angel Hair UFOs in Oloron, France

    Angel Hair UFOs in Oloron, France

    In 1952, angel hair came drifting from the sky, falling over the French towns of Oloron and Gaillac. The short life of angel hair makes it difficult to analyze. Learn more about the history of angel hair UFOs. See more »

  • Ashtar, Master of the Universe

    Ashtar, Master of the Universe

    Ashtar is an interstellar ruler and leader of millions of extraterrestrials who is said to have contacted George van Tassel. Learn more about Ashtar. See more »

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