Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Defence scientist Hal Puthoff has claimed the US is holding the bodies of four different alien species recovered from crashed craft, intensifying calls for UFO transparency.

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

"Star Wars" has a seemingly never-ending supply of alien designs. However, these five are the worst of the bunch, falling ...