r/TheoreticalPhysics↗
Theoretical Physics
Post and discuss external content related to advanced research in physics. Remember to always back up your posts with reliable information, clear argumentation and verifiable sources. Professional or amateur self-theories and models are not welcome. This sub does not fear maths, so mathematical physics discussions are appreciated. Beware to post if you do not know what a Lagrangian is.
67k subscribers123 posts / mo in Sep 2026 (incl. ~3% by known bots)87 authors / mosince 2012
r/TheoreticalPhysics has 67k members (+48% over the last 12 months). It gets about 123 posts a month from 87 people. Top topics: Physics Books, Dark Matter Mysteries and Big Bang Theory.
When to post on r/TheoreticalPhysics
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How r/TheoreticalPhysics has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/TheoreticalPhysics
Top topics
Share of the subreddit's posts
- Physics Books0.9%
- Dark Matter Mysteries0.6%
- Big Bang Theory0.6%
- Academia vs Industry0.5%
- Quantum Computing Trends0.5%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Doi
- arXiv.org e-Print archive
- Zenodo
- Substack
- ResearchGate
Everything else about r/TheoreticalPhysics
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research