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Related subreddits for r/science

Communities related to r/science, with what each one is for and how it differs. Member figures come from SubMouse's safe-for-work directory.

r/science shares and discusses recent peer-reviewed research. For questions, or for one field, a dedicated community is usually better.

How to choose

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.

Starting point: r/science

r/science — Reddit Science

  • Members: 34.6M
  • Directory rank: #11
  • 7-day growth: +4.2K

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.

Curated related communities

r/askscience

AskScience: Got Questions? Get Answers.

  • Members: 26.4M
  • Directory rank: #20

When to choose it: You have a science question and want an answer.

Why it is here: Listed as related to r/science. Its public description: “Ask a science question, get a science answer.”

How it differs from r/science: Q&A instead of research sharing.

r/biology

Biology

  • Members: 5.5M
  • Directory rank: #159

When to choose it: Anything in biology.

Why it is here: Listed as related to r/science. 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.

r/Physics

Physics

  • Members: 3.3M
  • Directory rank: #320

When to choose it: Physics for physicists and students.

Why it is here: Listed as related to r/science. 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.

r/chemistry

Reddit Chemistry - Read the sidebar

  • Members: 3.9M
  • Directory rank: #252

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.

r/psychology

Psychology

  • Members: 4.9M
  • Directory rank: #186

When to choose it: Science-based psychology material.

Why it is here: Listed as related to r/science. Its public description: “A Reddit community for sharing and discussing science-based psychological material.”

How it differs from r/science: One field, evidence-based.

r/Astronomy

Astronomy

  • Members: 3.2M
  • Directory rank: #333

When to choose it: Amateur observing and celestial objects.

Why it is here: Listed as related to r/science. 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.

r/nasa

NASA

  • Members: 5.9M
  • Directory rank: #139

When to choose it: NASA news, missions and events.

Why it is here: Listed as related to r/science. 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.

Related comparisons

Need a longer list?

Use the related subreddits finder for r/science: Find related to r/science.

Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-09 UTC); 7-day growth measured from 2026-11-02. Directory rank is listing order. Guide updated 2026-11-06.