r/CosmicBookNews↗
Welcome to the Cosmic Book News reddit! Feel free to discuss and share! https://cosmicbook.news/ Visit our other subs: reddit.com/r/Marvel_Movie_News/ reddit.com/r/DC_Movies/ reddit.com/r/StarWarsNewsRumors/
7k subscribers343 posts / mo in Sep 2026 (incl. ~98% by known bots)4 authors / mosince 2018
r/CosmicBookNews has 7k members (+478% over the last 12 months). It gets about 343 posts a month from 4 people. Top topics: Lanterns Series Updates, Zack Snyder Discussions and Avengers Doomsday.
When to post on r/CosmicBookNews
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How r/CosmicBookNews has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/CosmicBookNews
Top topics
Share of the subreddit's posts
- Lanterns Series Updates1.6%
- Zack Snyder Discussions1.3%
- Avengers Doomsday1.1%
- Supergirl Season Discussion1.0%
- James Gunn's DCU1.0%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Wolfram
- The Hollywood Reporter
- Deadline
- Yahoo!
- Variety
Everything else about r/CosmicBookNews
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