"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

Forget the grainy footage of 'flying saucers' or the campy sci-fi tropes of little green men from Mars; the search for ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Alien: Earth season 2 is shaping up to be a thrilling blend of Jurassic Park and Alien, with Neverland Island becoming a ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

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

Sigourney Weaver recently told The New York Times that she once stood up to James Cameron during their first movie together, ...