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 ...

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

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 ...

The Netflix hit brought back one of the show’s most divisive characters for a big, dark arc leading to the finale.