Long believed to be an alternate dimension, the Upside Down has now been explained as a wormhole to a location called the ...

Nobody knows what’s next for our species, but these films are full of intellectual wormholes for audiences to dive into. Here ...

From Fox's short-lived masterpiece Firefly to HBO's Watchmen, these are the sci-fi shows that are simply perfect from start ...

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

From Kirk to Picard and beyond, from the dawn of the Federation to the age of Discovery, here's how to watch Star Trek in ...

George R.R. Martin's forgotten sci-fi, from Wild Cards' virus-altered aces to Dying of the Light's rogue planet, ranked for ...

There have been dozens of Sonic the Hedgehog games, but which are the good ones and which are the worst of the bunch?