r/Spaceexploration↗
Space Exploration - Launches - Spaceflight Programs - Science Missions
r/SpaceExploration is a subreddit all about space travel (NASA, Roscosmos, SpaceX, ULA, Boeing, Rocket Lab, etc.). Further topics include upcoming launches, science missions, engineering, and more!
41k subscribers112 posts / mo in Sep 2026 (incl. ~3% by known bots)52 authors / mosince 2012
r/Spaceexploration has 41k members (+18% over the last 12 months). It gets about 112 posts a month from 52 people. Top topics: Lunar Lander Programs, Perseverance Rover Mars Landing and Moon Missions & Partnerships.
When to post on r/Spaceexploration
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How r/Spaceexploration has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Spaceexploration
Top topics
Share of the subreddit's posts
- Lunar Lander Programs2.4%
- Perseverance Rover Mars Landing1.9%
- Moon Missions & Partnerships1.3%
- Curiosity Rover Updates1.2%
- Artemis Missions1.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- NASA
- European Space Agency
- The Hill
- Substack
- Zinio
Everything else about r/Spaceexploration
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