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 ...