"Galaxy Quest" was a love letter to the classic "Star Trek" series, and it even had an "Alien School" of sorts for the film's actors.

Small, rocky planets can coalesce around a wide variety of stars, suggesting that Earth-like alien worlds may have formed early and often throughout our Milky Way galaxy's history, a new study reveals ...

In a groundbreaking revelation, recent astronomical observations have identified potential Dyson spheres, massive structures that could indicate advanced alien civilizations harnessing stellar energy.

The latest entry in the world's best horror sci-fi franchise, Alien: Romulus, is a hit on HBO Max. Here's what you should ...