r/Alien_Theory↗
Alien Theory - Discuss our otherworldly visitors
You are free to discuss any theory you might have about extraterrestrials or ancient terrestrials.
28k subscribers179 posts / mo in Sep 2026 (incl. ~1% by known bots)111 authors / mosince 2012
r/Alien_Theory has 28k members (+45% over the last 12 months). It gets about 179 posts a month from 111 people. Top topics: Alien Encounters, UFO SIGHTINGS and Alien Invasion Theory.
When to post on r/Alien_Theory
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How r/Alien_Theory has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Alien_Theory
Top topics
Share of the subreddit's posts
- Alien Encounters3.0%
- UFO SIGHTINGS2.7%
- Alien Invasion Theory2.2%
- UFO Documents2.0%
- UFO Sightings Compilation1.8%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Substack
Everything else about r/Alien_Theory
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