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.

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

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage collected by the U.S. government, though no physical evidence has been submitted to ...

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