Five photos from the landing site of NASA's Apollo 12 mission in 1969 were among the images released.

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

The posts come a week after the Pentagon released what it described as "never-before-seen" documents on unidentified flying objects.

Former Pentagon UFO investigator Jay Stratton will reportedly expose an 80-year alien cover-up in a bombshell new memoir ...

A new batch of declassified Pentagon UFO materials is fueling fresh public fascination — but files still do not confirm ...