Several outlets have published lists of the best sci-fi movies of the 21st century, with some focusing on specific sub-genres like hard sci-fi. These lists appear to highlight a range of films, with some outlets ranking their top 10 picks and others suggesting movies for specific audiences, such as those who don't typically enjoy sci-fi. The exact criteria and rankings vary across the different lists, but they all seem to be discussing notable sci-fi movies from the 21st century.