Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Steve Allen explores the latest crop circle sightings, from UFO theories and police warnings to the possibility that ...

Divers discovered strange geometric formations on the ocean floor in 1995. It took until 2011 to find the tiny, poisonous ...

Directed by Steven SpielbergAn ordinary lineman becomes obsessed with mysterious visions after witnessing a UFO, while a ...

From unforgettable classics to modern sci-fi hits, these Hollywood alien films have captivated audiences for decades.

MOVE over Mulder and Scully, Bradley Walsh is opening his own X Files. The TV favourite is swapping The Chase for close encounters of a different kind as the presenter travels the globe gathering ...

George Takei is best known for his role as Hikaru Sulu on "Star Trek: The Original Series," but he has since become a global ...

Explore Santa Fe's galleries, Roswell's UFO obsession and the vast underground chambers of Carlsbad Caverns on this four-day adventure.

“Disclosure” has become a cult word. It shouldn’t be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly ...

Earlier this year, former President Obama made waves in an interview when he said that he believed aliens were real, though he hadn't seen any evidence of them during his time in office. President ...