Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Newly released UFO (UAP) files are sparking global debate after reports suggest that China and Russia may have retrieved ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

Maj. Gen. William Neil McCasland vanished from a hiking trail in Albuquerque on February 27, which experts say could be a ...

As Steven Spielberg releases a new film on extraterrestrials, here's a brief history of modern alien conspiracies and why scientists are now taking UFO reports seriously. Amid all the unanswered ...

Fresh allegations that US intelligence agencies may be secretly holding recovered alien technology have revived one of Washington's most persistent debates, after a prominent UFO whistleblower claimed ...

A missing U. S. Air Force general linked to the military's alleged research on UFOs was reportedly trying to quit his job at ...

Many thought there’d never be a sequel to Alien: Isolation, but it’s real and we’ve already played a demo that suggests it could be even better than the original.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.