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

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 ...

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

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

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 ...

If you're looking for sci-fi content on Netflix, the streamer has you covered with several compelling TV series. Here's how ...

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that ...

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 ...

“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...