r/UnresolvedMysteries
Unresolved Mysteries
Founded April 2013 · Public — anyone can post
A subreddit dedicated to the unresolved mysteries of the world. Submissions should outline a mystery and provide a link to a more detailed review of the case such as a Wiki article or news report. Replies analysing and speculating over the mystery and possible explanations are encouraged. -
Members
4,498,723
4.5M
Online now
—
not captured in the last snapshot
Posts per day
2.2
from the last 100 posts, spanning 44.5 days
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
—
not enough history yet
Promo tolerance
—
not assessed yet
Last post
Sep 23
sampled Sep 23
Distinct posters
60%
of the last 100 posts
Tracking since Sep 23 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
Tracking since Sep 23 — growth charts appear after a week of history.
Similar by content
Communities that discuss what r/UnresolvedMysteries discusses.
Explorations of the Paranormal, UFOs, Ancient Cultures, Cryptozoology, Consciousness, Futurism, Fringe Science, Anomalies, Animal Mutilations, and instances of High Strangeness.
Reddit's forum for discussion of all aspects of actual crimes, the victims and their legal processes. Unlike some subs, our community allows videos or links to kick off discussion. Be kind to others and enjoy the true crime conversations.
A community for discussion related to Unidentified Flying Objects. Share your sightings, experiences, news, and investigations. We aim to elevate good research while maintaining healthy skepticism.
This is a forum for free thinking and for discussing issues which have captured your imagination. Please respect other views and opinions, and keep an open mind. Our goal is to create a fairer and more transparent world for a better future.
A community dedicated to discussing alien life through news, experiences, speculation and investigation. Please keep content related to extra-terrestrials or non-human intelligence behind the UAP phenomenon.
See the full lists on similar subreddits.
r/UnresolvedMysteries — frequently asked
How many members does r/UnresolvedMysteries have?
r/UnresolvedMysteries has 4,498,723 members as of our most recent crawl on Sep 23. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/UnresolvedMysteries growing?
We don't have 30 days of snapshot history for r/UnresolvedMysteries yet, so we're not going to invent a growth number. We've been tracking it since Sep 23; the chart fills in as history accumulates.
How active is r/UnresolvedMysteries?
Around 2.2 posts per day, measured from the newest 100 posts on Reddit, which span 44.5 days. Posting rate matters more than subscriber count when you're deciding where to spend your time — it determines how long your comment stays visible.
When was r/UnresolvedMysteries created?
r/UnresolvedMysteries was founded in April 2013 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Who posts in r/UnresolvedMysteries?
Of the last 100 posts we sampled, 60% came from distinct accounts; the newest was published Sep 23. A low share means a feed dominated by a handful of accounts (bots, mods, or one prolific poster) rather than a community.
Can I promote my product in r/UnresolvedMysteries?
We don't have a promo-tolerance read for r/UnresolvedMysteries yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.
How do I monitor r/UnresolvedMysteries for mentions?
Hit Watch on this page. Prowlo starts crawling r/UnresolvedMysteries into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/UnresolvedMysteries's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/UnresolvedMysteries's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
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