People are anxious to see who will play the Joker in James Gunn's DC Universe, and these five actors should be considered to play the Clown Prince of Crime.

The Next Generation honored, and possibly exceeded, the Original Series, on the strength of these 20 classics.

Over the course of its decades-long history, the Star Trek franchise has boasted some great guest stars. Here are the best ...

"Star Trek" tells plenty of stories that send its characters hurtling through time. Here are the best time travel stories in ...

Since its very inception, science fiction has maintained a tight hold over the imagination of its principal audience, ...