Sci-fi is one of the most popular genres in film, yet there are certain films that all fans have to see at least once.

The war in Ukraine shows how networked, low-cost drones and commercial tech are reshaping warfare—and why these lessons are critical for the future of space defense.

James Cameron's third Avatar movie is turning the rules upside down, introducing a nefarious Na'vi clan as the human invaders go all-out.

The recruiting video alone puts it near the top of the list of movies about the military in the future, to say nothing of the political overtones and satire of the rest of the movie.

Time travel is one of the hallmarks of science fiction, but many time-travel-based movies have plots that leave one with a headache just thinking about them. What if you could travel into the past ...