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Explore science subreddits

See the most popular science subreddits on Reddit in 2026, sorted by size. Physics, chemistry, biology, psychology, earth science and math meet here, from new peer-reviewed research to questions put to working scientists. Popular subreddits include Science, Askscience, Physics and Math. All 205 communities sort by growth, age or daily posts. Our Reddit stats are always up to date

Categorized Science subreddits: 205Scanned subreddits: 125.166Subreddits waiting: 15
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Categorized Science subreddits: 205Scanned subreddits: 125.166Subreddits waiting: 15
RankSubredditMembers?Daily posts?Scanned?Growth?Age?Allowed?View and save subreddits
201Metric10.899N/A8 days ago+1.1%17 yearsScienceText posts allowedLinks allowedPictures allowedVideos allowedOpen galleryOpen
202scientistsPHRules10.768N/A8 days ago+3.8%5 yearsScienceText posts allowedLinks allowedPictures allowedVideos allowedOpen galleryOpen
203MMathOlympiadRules10.614N/A8 days ago+1.9%9 yearsScienceText posts allowedLinks allowedPictures allowedVideos allowedOpen galleryOpen
204CHROMATOGRAPHY10.540N/A8 days ago+1.2%14 yearsScienceText posts allowedLinks allowedPictures allowedVideos allowedOpen galleryOpen
205IFLScienceOfficialRules9.823N/A8 days ago+1.4%2 yearsScienceText posts allowedLinks allowedPictures allowedVideos allowedOpen galleryOpen