36% of U.S. adults believe in UFOs, which translates to about 80 million people. In addition, 10% say they have actually seen an Unidentified Flying Object. That's the word from a National Geographic survey which also found that 77% believe that Earth has already been visited by aliens. But not everyone is a UFO believer. While 17% said they absolutely did not believe in UFOs, nearly half admitted they were unsure. Still, a whopping 80% think the federal government has concealed information about UFOs from the public. Want more?

  • 55% believe that federal agents -- think "Men in Black" -- will threaten people who report UFO sightings.
  • More than any other Hollywood movie, "The X-Files" best represents what would happen if aliens invaded Earth.
  • If aliens do visit Earth, how will we react? Nearly a quarter said they would befriend the extraterrestrials, 13% said they would lock themselves indoors and one in 20 said they would try to inflict bodily harm on the invaders.

So I want to know