3I Atlas is one of the most unusual interstellar objects ever observed, showing behavior that initially confused scientists.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The Next Generation introduced viewers to the Borg. They’re easily one of the most impressive alien races in Star Trek, in ...

Milly Alcock stars as Kara in ‘Supergirl,’ which reveals the tragic origin story of Superman’s heavy-drinking cousin.

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

If you saw Fox McCloud in The Super Mario Galaxy Movie, you'd be forgiven if your first thought were, "hey, it's the guy from ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

A lot of the alien races in the Star Trek universe are humanoid, and the original series explained that fact way back in the ...

Deep Space Nine needed conflict — but Gene Roddenberry had rules. The show's creators found an ingenious solution.

Discover the shocking ending of the season premiere! Our detailed recap explains why John targets the Senator, the tragic fate of Henry Thorpe, and the mystery behind the missing Moon brother. Dive ...

Let’s be honest: we all knew Clarke was going to fail this test, right? The Commander of Death literally enters the test pier by murdering Cadogan. He had it coming, but it isn’t a particularly ...

David Koepp, who wrote "Disclosure Day," helps us explain what happened at the end of Steven Spielberg's latest sci-fi epic.