Top secret CIA files have emerged from the 1950s exposing the explosive truth about alien UFOs visiting earth.
The declassified documents detail a catalogue of mysterious encounters with flying saucers and aliens.
In reports going back decades, stunned witnesses describe strange crafts moving at speed through the skies.
Others mention meetings with shadowy figures or bizarre recordings of noises in space.
And if they’re to be believed, the accounts are more incredible than the supposed alien crash at Roswell.