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

A strange new UFO story emerging from Colombia is drawing attention online after reports claimed an elderly couple witnessed a glowing metallic sphere descend into a remote jungle before investigators ...

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 ...