r/AskScienceFiction
Advice & Discussion subreddit · 869K members
Open r/AskScienceFiction on Reddit →It's like Ask Science, but all questions and answers are written with answers gleaned from the universe itself. Use in-universe knowledge, rules, and common sense to answer the questions.
- Members
- 869,411 (July 2025)
- Size rank
- #748 of 2,960 subreddits we track, larger than 75% of them
- Topic
- Advice & Discussion, Science · #29 of 84 in Advice & Discussion
- Reddit category
- Lifestyles
- Address
- reddit.com/r/AskScienceFiction · how to join
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