Newly declassified documents contain specific details of the unidentified objects encountered by US Navy pilots.
Recently declassified documents have revealed the parts of the country with the most UFO sightings.
A private collection of 30,000 UFO documents and reports has been donated to the University of Manitoba.
Actual files from the US government's Project Blue Book are set to go on display in Washington DC next month.
Newly released documents have shed light on why the alleged former Area 51 worker was raided last year.
Newly released documents have revealed how the CIA used birds and other animals during the Cold War.
According to FCC documents, the US military has been experimenting with a new type of mass surveillance.
Declassified documents have revealed that the FBI once tested hair and tissue samples of an alleged Bigfoot.
Newly declassified documents have revealed the CIA's efforts to control dogs through electrical brain stimulation.
Declassified documents from the British Ministry of Defense have revealed details of a 1997 UFO study.
A file recently released by the US government contains information about 'psycho-electric weapons'.
Declassified CIA documents have indicated that Hitler may not have committed suicide in his bunker.
A mystery spanning over 55 years has finally been solved thanks to newly released CIA documents.
A selection of previously withheld documents about UFOs could be seeing a release in the near future.
A new facility for archiving some of the world's most important documents has opened in the Arctic.
The documents cover everything from UFO sightings to government-backed remote viewing experiments.
Victor Viggiani released the documents to the public during the Alien Cosmic Expo event on Saturday.
John Podesta maintains that he has convinced Hillary Clinton to declassify secret documents about UFOs.
Newly declassified documents suggest that authorities knew all about the Broad Haven Triangle mystery.
The British government has confirmed that several more UFO documents are still on track to be released.