Explore the best sci-fi anthology episodes, ranked by storytelling, visuals, and impact, from shows like The Twilight Zone ...

The R-rating is an American thing, so maybe some definitions are in order. Well, one definition. An R-rating, in the U.S., is given to a movie generally aimed at adult audiences, with anyone under 17 ...

, sci-fi filmmakers are given the freedom to explore darker themes, including violence, sexuality, and existential themes. In " Moon ", travelers to a distant planet must rely on a dangerous criminal ...