Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the existence of extraterrestrials has become a laughingstock, with SNL making ...

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

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A NASA astronaut preparing for a grueling eight-month stint in orbit ...

Astronomers have uncovered a pair of giant planets that are lighter than cotton candy — super-puffs the size of Jupiter. The featherweight pair — orbiting a star 1,110 light-years away — are the ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

New UFO files have been released by the Trump administration that include several vivid descriptions of mysterious sightings in the sky.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...