r/MarsSociety↗
The Mars Society: To Explore and Settle a New World!
The Mars Society is the world's largest and most influential space advocacy organization dedicated to the human exploration and settlement of the planet Mars. Established by Dr. Robert Zubrin and others in 1998, the group works to educate the public, the media and the government on the benefits of exploring Mars and creating a permanent human presence on the Red Planet.
19k subscribers411 posts / mo in Sep 202633 authors / mosince 2011
r/MarsSociety has 19k members (+30% over the last 12 months). It gets about 411 posts a month from 33 people. Top topics: SpaceX Starship Launches, Mars Life Search and Mars Water Exploration.
When to post on r/MarsSociety
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How r/MarsSociety has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/MarsSociety
Top topics
Share of the subreddit's posts
- SpaceX Starship Launches2.2%
- Mars Life Search1.6%
- Mars Water Exploration1.5%
- Mars Colonization & Terraforming1.4%
- Perseverance Rover Mars Landing1.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Space
- NASA
- Mars Daily
- The Conversation
- SpacePolicyOnline
Everything else about r/MarsSociety
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