The sci-fi genre has been home to some incredible movies about war -- usually with invaders from space -- and these five are ...

Add Yahoo as a preferred source to see more of our stories on Google. Whenever an older movie on streaming starts with a disclaimer stating, “The content you are about to view features depictions that ...

If you want a great sci-fi story, 'Project Hail Mary' author Andy Weir has a few. One of them hits the list of the best ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.