From declassified footage to eyewitness testimonies, here are 10 must-watch UFO documentaries to prepare for Steven Spielberg’s Disclosure Day.

Dean Alito's 'The Experiencers: Full Disclosure' is a fascinating, if uneven, documentary on people abducted by aliens.

Many of the officials claim they cannot share more evidence for or details about the claimed alien encounters because they remain classified. The film's most explosive allegation, that an alien ...