r/postearth
5k members
r/postearth is a subreddit with 5k members. The most common kinds of discussions are news and advice requests, and the community frequently discusses space, future, technology, colonization, and science.
Far into the future humanity will be forced to travel outward. What will life be like? What technologies will we have? Don't be afraid to think a little Sci-Fi.
Popular Themes in r/postearth
#1
News
: "Asteroid Mining Company Considers Kickstarter Campaign"
9 posts
#2
Advice Requests
: "What can we do to make space colonization a reality?"
6 posts
#3
Solution Requests
: "Recommendations for a book/series that deals with a Post-Earth human civilization?"
2 posts
#4
Pain & Anger
: "Thought we lost you around Pluto"
1 post
#5
Ideas
: " a proposal for escape"
1 post
Popular Topics in r/postearth
#1
Space
: "How Self-Sustaining Space Habitats Could Save Humanity from Extinction"
33 posts
#2
Future
: "Way Stations in Space 1960s View of Future Space Travel and Colonization"
32 posts
#3
Technology
: "Ray Kurzweil's Speech In Bejing | The Accelerating Power of Technology & The Coming Singularity"
25 posts
#4
Colonization
: "Space Colonization Stanford Torus Type Station 1970's NASA Video"
21 posts
#5
Science
: "A group of writers, artists, and scientists crafting experiments in fictional worlds based on real Science"
21 posts
#6
Space Colonization
: "What can we do to make Space Colonization a reality?"
20 posts
#7
Future Of Humanity
: "The Future Of Humanity Institute is hiring!"
20 posts
#8
Space Exploration
: "Hello /r/postearth, I am one of the moderators of /r/Interstellartravel, a subreddit that encourages the discussion of how we will go to the stars through the consideration of a variety of perspectives."
13 posts
#9
Space Travel
: "Hello /r/postearth, I am one of the moderators of /r/Interstellartravel, a subreddit that encourages the discussion of how we will go to the stars through the consideration of a variety of perspectives."
11 posts
#10
Mars
: "Practical Limits of Trip Times to the Planets - Why we can't send people to Mars in less than a day"
10 posts
Member Growth in r/postearth
Yearly
+18 members(0.4%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/postearth, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: April 6, 2025