Time travel is a staple of sci-fi, but sometimes, even hardcore sci-fi fans can't wrap their minds around the most baffling ...

Star Wars is huge in the sci-fi genre, and Back to the Future doesn’t forget to pay homage to it. References are everywhere, but they really stand out when Marty, pretending to be an alien ...

With its serious conspiratorial tone and UFO invasion themes, it was a major influence on later sci-fi series like "The X-Files," and John Carpenter’s 1988 feature, "They Live." 7. The Outer Limits ...

Sci-fi horror is the ultimate combo and no one can convince me otherwise. In fact, if you asked me to name my all-time favorite franchise, “Alien” would be right at the top, no question.

It's a wonderful blend of supernatural, sci-fi, comedy, horror, and action that has spawned a whole iconic franchise: we're talking more movies, comics, video games, TV shows, etc.