On "The X-Files," the former TV series, FBI agent and paranormal investigator Fox Mulder had a poster of a UFO on his office wall with the legend "I want to believe"

Something is buzzing around the sky in Denver. It has been captured by at least two videographers and has at least one aviation expert baffled.

A UFO descended into a live volcano in Mexico, and the amazing event was caught on camera.

At least ten dead birds were discovered in a garden the same day a huge UFO was sighted hovering over Salterbeck

Flying saucers and other unidentified flying objects can distract pilots and cause accidents

A family has spoken of the terrifying moment they saw a UFO hovering above their house for four hours.

A BALLINA man took this photo of an unidentified flying object at Broken Head in August but researchers from UFO Research NSW are reluctant to say it could be genuine.

A UFO buzzed a film crew, while they were shooting footage of base jumper Richard Henderson

The home secretary, Theresa May, defied the American authorities on Tuesday by halting the extradition of British computer hacker Gary McKinnon

Three UFO orbs were filmed Sunday hovering above Maui, Hawaii during a violent thunderstorm. Are they spaceships? Weather balloons? What is your opinion?

John Royer is the first person to doubt he's seen life from another planet, even though he's seen three unidentified flying objects in his lifetime.

Two German tourists caught an image of a UFO flying over the Greek Island of Crete.

More than six years of intensive research has uncovered two “pristine UFO crash sites” in Kingman, AZ, that occurred over a four-day period in May 1953

Sixty volumes of “meticulous UFO research over 30 years” by the late Ufologist Leonard H. Stringfield were donated to the Mutual UFO Network (MUFON)