Former "Aquaman" actor Jason Momoa will soon return to the DC Universe as Lobo, but decades ago, he played another alien badass on a Syfy TV series.

Syfy's highly-rated sci-fi drama was cancelled after four seasons but it's still popular on streaming services. Get all the details.

The X-Files, Star Trek: The Next Generation, Falling Skies, and Battlestar Galactica are some of the sci-fi shows that get ...

The nature of sci-fi shows often require that they create worlds out of whole cloth, but in some cases, even the ...

A select number of sci-fi TV shows manage the impossible, improving their quality in subsequent seasons and making the story better.

If you've watched all the science fiction series on the streaming services you subscribe to, here are some great sci-fi shows you can watch for free elsewhere.

Alan Tudyk and Nathan Fillion starred in "Firefly" together, so it's nice to see them appear in each other's shows - "The Rookie" and "Resident Alien." ...

Wynonna Earp pushed the Earp legacy in a new direction, with plenty of supernatural and gunslinging action for fans of both westerns and sci-fi.

The revival of the Star Trek franchise that began with the Kelvin timeline movies and continued with the premiere of Star ...

A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

If you purchase an independently reviewed product or service through a link on our website, Variety may receive an affiliate commission. “WWE SmackDown” is getting a temporary new home this week ...