r/space is a subreddit with 27.9M members. The most common kinds of discussions are news and advice requests, and the community frequently discusses space, worst, looking for, looking, and nasa, and they frequently recommend/review documentaries and telescope.
Share & discuss informative content on:
* Astrophysics
* Cosmology
* Space Exploration
* Planetary Science
* Astrobiology
Popular Themes in r/space
#1
News
: "Experts warn current Starship heat shield tech is a “dead end” for rapid reuse | NASA has not made substantial investments in thermal protection research for decades."
60 posts
#2
Advice Requests
: "A free real-time 3D Moon: every landing site clickable, live lunar orbiters from NASA data, and a replay of the whole space age from 1958"
3 posts
#3
Pain & Anger
: "Jodrell Bank Observatory facing closure after major funder cuts support | Scientists say decision is blow to UK astronomy as deep space observatory is home to world-leading facilities"
2 posts
#4
Ideas
: "🚀 Have you heard about NASA's FLUTE concept?"
2 posts
#5
Money Talk
: "Lego releases 1252-piece Hubble Space Telescope set for $140"
2 posts
#6
Solution Requests
: "If I'm a Private Vendor and Need to Purchase a Spacesuit, What is the Most Budget Friendly Option Available?"
1 post
Popular Topics in r/space
#1
Space
58 posts
#2
Worst
17 posts
#3
Looking For
14 posts
#4
Looking
14 posts
#5
Nasa
10 posts
#6
Struggling
10 posts
#7
Mars
8 posts
#8
Documentary
7 posts
#9
Telescope
6 posts
#10
Universe
6 posts
Products Discussed in r/space
Documentaries
28 reviews
#1
Cosmos
4.6★ from 5 reviews
#2
YouTube
5.0★ from 2 reviews
#3
BBC
5.0★ from 2 reviews
Telescope
4 reviews
#1
EduSnap 2-in-1 Smart Telescope
4.0★ from 1 review
#2
Seestar S50
5.0★ from 1 review
#3
Ursa Major
4.0★ from 1 review
Flair Used in r/space
#1
Discussion
: "NASA's Curiosity rover just found more strange honeycomb patterns on Mars"
24 posts
#2
image/gif
: "My best view of the Milky Way from ISS"
20 posts
Member Growth in r/space
Yearly
+140k members(0.5%)
Similar Subreddits to r/space
r/AnalogCommunity
424k members
27.9% / yr
r/business
2.6M members
3.5% / yr
r/Damnthatsinteresting
20.5M members
3.4% / yr
r/HomeDecorating
1.4M members
16.5% / yr
r/nasa
5.9M members
1.1% / yr
r/notinteresting
1.3M members
15.1% / yr
r/Spaceexploration
39k members
15.3% / yr
r/SpaceUnfiltered
48k members
414.6% / yr
r/spacex
3.7M members
0.4% / yr
r/todayilearned
41.6M members
1.2% / yr
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/space, 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: August 6, 2026