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.
More Science Topics to Explore:
For decades Bob Lazar talked about a mysterious element 115 that supposedly could power alien spacecraft. People thought he was a nut but scientists discovered element 115 in 2003. Was there any connection?
If you think about it, it'll likely be an alien machine that encounters our probes searching for intelligent life. How's that going to work?
By Greg Fish
The government's secret Advanced Aviation Threat Identification Program has spent millions researching UFOs and alien life. Are they covering up their findings?
By Diana Brown
Does the U.S. government have proof there is life from other worlds visiting Earth?
By Mark Mancini
Stuff They Don't Want You To Know talks to investigative filmmaker Jeremy Corbell about his alien abduction documentaries.
By Diana Brown
What if natural selection is at work not only on our planet but on other habitable planets?
By Robert Lamb
Everybody wants to find aliens, even the hacktivist group Anonymous.
Astronomers have been thinking a little more out of the box in the hopes of explaining the weird behavior behind Tabby's Star.
Solving a math problem could get us one step closer to meeting E.T., so why haven't we figured out the Drake Equation by now?
Columbia University researchers say they’ve found a way to hide our planet from extraterrestrial eyes.
Is it science that people mistrust, or the combination of science and the government? One historian traces conspiracy theories back to the paranoia of the late 1940's.
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.
By William Harris
UFO reports range from the bizarre -- like naked aliens -- to the more common saucer sightings. The reports have been filed by everyday UFO witnesses from Russia to Minnesota, and even by celebrities. Learn about a century of strange UFO reports.
The history of the Roswell UFO incident has a long, complicated legacy of truth and conspiracy. From the crash site to the recovered alien bodies, there is a lot of speculation -- how much is believable? Learn more history of the Roswell UFO incident.