A hefty chunk of rocket crashing into the moon at seven times the speed of sound has driven home the threat posed to Earth by ...

The alleged Colorado videos are therefore significant primarily as an example of the evidence whistleblowers say exists but ...

A pair of classified videos allegedly showing a 100-foot black triangular UFO over a Colorado military base remain locked ...

Declassified US government records have revealed that American officials investigated a bizarre 1963 report claiming a metal sphere had crashed in a Brazilian town with a dead, unidentified occupant ...

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

A NASA rover image of a rock formation on Mars resembling a doorway has sparked speculation about alien life, though experts ...

( NewsNation) — Harvard University astrophysicist Avi Loeb is casting doubt on a report from Ukrainian researchers who ...

After decades of secrecy, stigma, and sometimes silliness—like the conspiratorial tales about recovered spacecraft and alien ...

For centuries, humanity has wondered whether we are truly alone in the universe — and now, NASA’s top official believes the ...

Fifty-seven years after Americans first landed on the moon, NASA is going back — not to plant another flag, but to build a ...

According to the researchers, some of the disc-shaped objects were estimated to measure between 15 and 25 miles across. The ...

A 2007 Mars panorama from NASA's Spirit rover resurfaces, sparking renewed debate over a 'walking man' illusion, highlighting ...