Looking to stream some sci-fi? Here are three great science fiction movies you can watch for free on Tubi, all of which come highly recommended by critics.

These 10 movies rewrote the genre and provided a new blueprint for how the sci-fi genre could be utilized. James Gunn is now ...

Kurt Russell makes almost any movie good, but he's also the star of a sci-fi classic that spawned a terrific franchise. It's ...

The most polarizing sci-fi movie of 2025, Yorgos Lanthimos' Bugonia, is towering over competition on streaming after a ...

For all the embarrassment of riches on TV, cinema remains a really big deal for any genre fan. Our guide to the best upcoming ...

Seth Rogen voices the alien in Paul (2011), starring Simon Pegg and Nick Frost. This sci-fi comedy features Sigourney Weaver ...

Hundreds of science fiction movies have been released over the decades, but only a few have left lasting legacies. From alien ...

On January 1, 2026, Prime Video will be adding Fede Alvarez's 2024 film, Alien: Romulus to its streaming library, finally ...

Are you a fan of the 'Predator' franchise? Then you'll want to stream this '80s oddity that landed seven years prior.

But what’s even better than a theory about an active property is one about an older one that will probably never get debunked ...

Watch With Us picks the best sci-fi films from every year of the 1990s, including 'Jurassic Park,' 'The Matrix' and '12 ...