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

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

Alien set a standard for the sci-fi horror genre, but in the years since, new TV mediums have put their own spin on the grotesque idea.

If you're a fan of the monster-of-the-week stories and dual-lead chemistry of The X-Files, here are 15 shows that offer a ...

Over the last six decades, Doctor Who has celebrated Christmas and New Year with some brilliant festive special episodes.

For an interview on a Slate podcast this month, I was asked to pick a movie that exemplified 2025—not the year’s best film ...

Dive into 'Stranger Things' Season 5’s shocking creature origins and learn the truth behind the Abyss, Demogorgons, and the ...

Spielberg has long been known for his love of alien-related material. That's why he produced the abduction-based Taken ...

While sci-fi movies about space get all the love, here are seven great entries in the genre that don't tackle the final ...

Alien invasion stories are among the earliest science fiction in the Western canon—they not only explore the strange and unknown but also heighten the stakes by bringing danger inside human ...