Landmark UFO documents smuggled out of Russia 30 years ago — and just publicly revealed — show the Soviets investigated ...

Soviet-era UFO files released by journalist George Knapp detail Cold War sightings, including a 'jellyfish-shaped' craft, ...

Stolen Soviet files released by George Knapp reveal a massive cover-up of UFO encounters, giant aliens, and abductions ...

All of this was packaged into a documentary released last year by the noted filmmaker Dan Farah, “ The Age of Disclosure ,” ...

America’s fascination with UFO sightings spans decades and diverse regions. From mysterious lights in the night sky to infamous crash stories, specific places have risen as hotspots for the curious ...

Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Jessica Mendoza: Has the United States government ever made contact with UFOs?