A 'UFO base' mentioned in a declassified ... The 12-page document includes several drawings believed to depict the locations of these ET bases—one sketch appears to resemble a rocky mountain.

Conspiracy theorists were sent into a frenzy when they spotted what they believe to be an alien base on an asteroid ... On it is a rectangular structure. "The funny thing about it is that even ...

One theory suggests that USAF scientists have tried to emulate the alien technology to create their own top-secret spy craft capable of travelling into space at the base. Area 51 has been used by ...