A short, curated guide — not an automatic related dump. Figures come from SubMouse's safe-for-work directory when we have them.
r/science shares and discusses recent peer-reviewed research. For questions, or for one field, a dedicated community is usually better.
Stay on science for recent peer-reviewed research. Use askscience to ask a question, and the field rooms (biology, Physics, chemistry, psychology, Astronomy, nasa) for focused discussion.
r/science — Reddit Science
This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research.
AskScience: Got Questions? Get Answers.
When to choose it: You have a science question and want an answer.
Why it is here: Listed as related to r/science in our directory. Its public description: “Ask a science question, get a science answer.”
How it differs from r/science: Q&A instead of research sharing.
Biology
When to choose it: Anything in biology.
Why it is here: Listed as related to r/science in our directory. Its public description: “A place to discuss all things biology! We welcome people and content from all related fields.”
How it differs from r/science: One field.
Physics
When to choose it: Physics for physicists and students.
Why it is here: Listed as related to r/science in our directory. Its public description: “For physicists and physics students. See the rules before posting, and the subreddit wiki for common questions. Basic homework questions are not allowed.”
How it differs from r/science: One field; basic homework has limits.
Reddit Chemistry - Read the sidebar
When to choose it: Chemistry for chemists and enthusiasts.
Why it is here: Its public description: “A community for chemists and those who love chemistry”
How it differs from r/science: One field.
Psychology
When to choose it: Science-based psychology material.
Why it is here: Listed as related to r/science in our directory. Its public description: “A Reddit community for sharing and discussing science-based psychological material.”
How it differs from r/science: One field, evidence-based.
Astronomy
When to choose it: Amateur observing and celestial objects.
Why it is here: Listed as related to r/science in our directory. Its public description: “The amateur hobby of humanity since the dawn of time and scientific study of celestial objects.”
How it differs from r/science: Hobby observing rather than research papers.
NASA
When to choose it: NASA news, missions and events.
Why it is here: Listed as related to r/science in our directory. Its public description: “r/NASA is for anything related to the National Aeronautics and Space Administration; the latest news, events, current and future missions, and more.”
How it differs from r/science: One agency.
Run the automatic finder for r/science (results are matched from our directory; that page is not indexed): Find related to r/science.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-02 UTC); 7-day growth measured from 2026-10-26. Posts/day and culture claims appear only when we have them — missing fields stay n/a. Directory rank is listing order. Communities outside the published Top 100 open in the info tool instead of a full community page. Guide updated 2026-11-06.