A declassified Cold War-era file from the CIA has gone viral over its coverage of a supposed clash between Soviet soldiers ...

Declassified CIA files reveal an extraordinary claim about a UFO encounter where aliens allegedly turned 23 Soviet soldiers into stone.

Over the years, declassified documents and reports have detailed Russian alien encounters or mind control experiments ...

An initial AP review of more than 63,000 pages of records released this week found some new details about covert CIA operations, particularly in Cuba.

Declassified CIA files have revealed a secret mission in which the agency attempted to find Adolf Hitler, 10 years after he ...

A declassified document posted to the CIA’s website is raising eyebrows with its bizarre claims of an alleged UFO attack on Soviet forces.

A declassified CIA file from the Cold War era detailing a possible, chilling encounter between Soviet soldiers and a UFO has ...

While paper documents are the most common source of classified information, photographs, maps, motion pictures ... Information can be declassified through several avenues, according to the ...

The recently declassified materials into the FBI's 2016 election probe have been obtained by conservative media outlets.