r/aerospace↗
aerospace: aviation, space, and related news
A place to discuss relevant topics in civil and military aviation, space exploration, and news relevant and interesting to those with a passion for all things flying.
130k subscribers252 posts / mo in Sep 2026 (incl. ~2% by known bots)210 authors / mosince 2008
r/aerospace has 130k members (+16% over the last 12 months). It gets about 252 posts a month from 210 people. Top topics: Space & Physics Engineering, Space Exploration Engineering and Internships & Co-ops.
When to post on r/aerospace
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How r/aerospace has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/aerospace
Top topics
Share of the subreddit's posts
- Space & Physics Engineering4.7%
- Space Exploration Engineering1.5%
- Internships & Co-ops1.2%
- Engineering Internships0.4%
- Airbus Aircraft & Aviation0.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- NASA
- Medium
- Space
- Lego System
Everything else about r/aerospace
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