r/FermiParadox↗
The Fermi Paradox: Where is Everyone?
A sub dedicated to discussing the Fermi Paradox.
10k subscribers81 posts / mo in Sep 202670 authors / mosince 2015
r/FermiParadox has 10k members (+95% over the last 12 months). It gets about 81 posts a month from 70 people. Top topics: Dark Forest Theory, Alien Invasion Theory and AGI Discussions.
When to post on r/FermiParadox
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How r/FermiParadox has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/FermiParadox
Top topics
Share of the subreddit's posts
- Dark Forest Theory1.4%
- Alien Invasion Theory1.2%
- AGI Discussions0.3%
- Parenting Decisions and Ethics0.3%
- Alien Encounters0.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- arXiv.org e-Print archive
- NASA
- New Paradigm Institute
- ResearchGate
- ScienceDirect
Everything else about r/FermiParadox
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