r/IsaacArthur↗
Science & Futurism With Isaac Arthur
The official Subreddit for the Isaac Arthur YouTube channel. This Sub focuses on discussing his videos and exploring concepts in science with an emphasis on futurism, space exploration, along with a healthy dose of science fiction.
43k subscribers158 posts / mo in Sep 2026117 authors / mosince 2016
r/IsaacArthur has 43k members (+28% over the last 12 months). It gets about 158 posts a month from 117 people. Top topics: Mars Colonization & Terraforming, Interstellar Exploration and Moon Exploration & Development.
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Topics and brands on r/IsaacArthur
Top topics
Share of the subreddit's posts
- Mars Colonization & Terraforming0.7%
- Interstellar Exploration0.5%
- Moon Exploration & Development0.3%
- Space Stations0.3%
- Space Debris Management0.3%
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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