There were some truly groundbreaking science fiction films in the 1950s, but one underrated gem is still amazing almost 70 years later.

This classic, influential sci-fi movie is 70 years old, and its themes are even more poignant today.

Nearly perfect sci-fi movies are sometimes more interesting than the genuinely perfect ones, as almost classics like Time ...

We asked our readers to name their favourite films in the sci-fi genre – and these were the titles that came up most often.