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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.

34.6M subscribers1,122 posts / mo in Sep 2026 (incl. ~1% by known bots)290 authors / mosince 2006

r/science has 34.6M members (+0.9% over the last 12 months). It gets about 1,122 posts a month from 290 people. Top topics: Antibiotic Resistance, Gut Microbiome Health and Cancer Immunotherapy Updates.

Free report

When to post on r/science

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/science, removal risk and the rest of the report are one step away.

Size and growth

How r/science has grown

r/science

Subscriber growth

Subscribers over time

+0.9%in 12 months · +0.3% in 3 months · +0.0% in 1 month
Oct 202634.6M
Growing34.6M subscribers
Data since Mar 2018Live · through Oct 2026
r/science

Monthly activity

Posts, comments and authors per month

−23%vs Sep 2025 · −2.4% last 3 months vs the 3 before
Sep 20261.1k
QuieterPeaked at 3.1k in Jan 2022
Sep 2026: incl. ~1% by known botsData through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/science

Top topics

Share of the subreddit's posts

  1. Antibiotic Resistance0.2%
  2. Gut Microbiome Health0.2%
  3. Cancer Immunotherapy Updates0.1%
  4. Cancer Research Updates0.1%
  5. Exoplanet Discoveries0.1%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Doi
  2. Nature
  3. PsyPost
  4. ScienceDirect
  5. Wiley

The full report

Everything else about r/science

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