r/Astrobiology↗
Astrobiology - The study of Life in The Universe.
This is where you can discuss astrobiology, the interdisciplinary science focused on the origin, evolution, distribution, and future of life in the universe. Topics include extremophiles, planetary habitability, biosignatures, prebiotic chemistry, planetary protection, and life detection missions. Follow research and updates from NASA Astrobiology Institute, SETI Institute, ESA, JPL, and other leading institutions exploring the possibility of life beyond Earth.
40k subscribers81 posts / mo in Sep 202640 authors / mosince 2010
r/Astrobiology has 40k members (+30% over the last 12 months). It gets about 81 posts a month from 40 people. Top topics: Mars Life Search, Habitable Exoplanets and Mars Water Exploration.
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When to post on r/Astrobiology
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How r/Astrobiology has grown
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Subscribers over time
Monthly activity
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Topics and brands on r/Astrobiology
Top topics
Share of the subreddit's posts
- Mars Life Search3.5%
- Habitable Exoplanets2.6%
- Mars Water Exploration1.2%
- Water Worlds & Exoplanet Atmospheres1.0%
- Exoplanet Discoveries0.6%
Posting rules for r/Astrobiology
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Who posts on r/Astrobiology
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Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research