But to this day, nearly all sci-fi/horror movies still pale in comparison to the 1979 classic, Alien, which will be arriving on Netflix on September 1.

While John Boyega rose to fame with "Star Wars," it wasn't his first time fighting aliens. He previously starred in this underrated British sci-fi movie.

The best sci-fi movies on Prime Video in July 2026 include 'Project Hail Mary' with Ryan Gosling, 'The Martian' with Matt Damon and more

Makuochi Echebiri is a News Writer for Collider. He has been interested in creative writing from as far back as high school, and he would consume pretty much anything that’s film or TV. However, his truest love lies in the presence of historical epics ...

It didn’t take long for stories about extraterrestrials to reach our cinemas. George Méliès “A Trip to the Moon” introduced weird, easily explodable aliens called Selenites that capture the first explorers in outer space, and from there, filmmakers ...

Roger Ebert gave these sci-fi movies a perfect four stars out of four, even though two of them were financial flops.