r/nasa↗
NASA
r/NASA is for anything related to the National Aeronautics and Space Administration; the latest news, events, current and future missions, and more.
5.9M subscribers246 posts / mo in Sep 2026 (incl. ~2% by known bots)168 authors / mosince 2008
r/nasa has 5.9M members (+1.4% over the last 12 months). It gets about 246 posts a month from 168 people. Top topics: Space Exploration Engineering, Artemis Missions and Lunar Lander Programs.
When to post on r/nasa
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How r/nasa has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/nasa
Top topics
Share of the subreddit's posts
- Space Exploration Engineering2.1%
- Artemis Missions1.8%
- Lunar Lander Programs1.2%
- Apollo Moon Landing Anniversary0.8%
- SpaceX & NASA Astronauts0.7%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Change
- Space
- Drew Ex Machina
- Flickr
- Wikimedia
Everything else about r/nasa
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