US government officials launched an investigation into bizarre claims that a 'dead spaceman' was found inside a metal sphere ...

Somewhere in the Universe, an alien culture may have developed the technology to build giant megastructures around stars, harnessing their energy on an unimaginable scale.

Cold War-era files show diplomats searched for answers after reports of a strange sphere crash sparked international interest ...

Declassified UFO files have revealed how US officials investigated reports that a 'dead spaceman' had been discovered inside ...

The Pentagon's latest declassified UFO files include unresolved cases like the Bagram triangle and a mysterious sphere in ...

The Pentagon has unveiled new declassified files detailing unexplained aerial phenomena. These documents include pilot ...

This is the fifth trance of files being released by the Trump administration.