r/sciencefiction
ActiveScience Fiction
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. General speculative fiction posts are fine as long as they primarily focus on Science Fiction.
Members
261,114
as of February 2025
Last post
today
September 28, 2026
Posts (30 days)
100+
Created
2010
February 13, 2010
Total posts
68.7K
archived
Total comments
644.6K
archived
Is r/sciencefiction dead? Active community.
r/sciencefiction is posting regularly — the latest post was today. Active subreddits can't be requested through r/redditrequest.
Find abandoned subreddits in this niche you can claim →r/sciencefiction activity over the last year
New posts per month.
Frequently asked questions about r/sciencefiction
How many members does r/sciencefiction have?
r/sciencefiction had 261,114 members as of February 2025, the most recent archive crawl of its subscriber count.
Is r/sciencefiction dead?
No. r/sciencefiction is active — the most recent post was today, with 100+ posts in the last 30 days.
When was r/sciencefiction created?
r/sciencefiction was created on February 13, 2010.
Can I take over r/sciencefiction?
Probably not. r/sciencefiction is still in active use, and Reddit only hands over communities whose human moderators have all gone inactive on Reddit for 60+ days. If you want a community in this niche, look for abandoned subreddits on the same topic instead — DeadSubs finds them automatically.
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Activity checked September 28, 2026from the Arctic Shift Reddit archive. Member counts come from the archive's most recent crawl and may lag Reddit. DeadSubs is not affiliated with Reddit Inc.