The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Shortly after ET the Extra-Terrestrial was released in 1982, Ronald Reagan hosted a special screening of the film at the White House. Steven Spielberg, the film’s director, later recalled that, as the ...

Steven Spielberg has yet to reveal much about his upcoming alien movie, but some conspiracy theorists think actual extraterrestrials could be featured.

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

AUSTIN — What if the big question surrounding the existence of aliens wasn’t whether they exist but why the U.S. government has been hiding this information from the American public for so long? And ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If life can exist—and persist—in seclusion, and in some of the harshest conditions on Earth (just look at ...

The idea that aliens may have visited the Earth is becoming increasingly popular. Around a fifth of UK citizens believe Earth has been visited by extraterrestrials, and an estimated 7% believe that ...