The Black Knight satellite conspiracy claims that an ancient alien probe has orbited Earth for 13,000 years, silently observing humanity. The theory traces its roots to early radio experiments by ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

A former whistleblower claims to have seen alien bodies at NASA's Goddard Space Centre and a massive extraterrestrial craft hidden in Korea, sparking renewed UFO speculation.

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial theories.

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think.