r/sciencefiction

Science subreddit · 274K members

This reddit is for fans and creators of Science Fiction and related media in any form. SF topics should involve plausible ideas reached through the rational application of science.

— r/sciencefiction sidebar description
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Members
273,733 (July 2025)
Size rank
#1,582 of 2,960 subreddits we track, larger than 47% of them
Topic
Science · #27 of 39 in Science
Address
reddit.com/r/sciencefiction · how to join

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