r/spacex is a subreddit with 3.7M members. The community frequently discusses spacex, launch, nasa, space, and orbit, and the most common flair used is artemis, starship, 🚀 official, company news, and hls.
Welcome to r/SpaceX, the premier SpaceX discussion community and the largest fan-run board on the American aerospace company SpaceX. We recommend using r/SpaceX with Old Reddit.
This board is not an official outlet for SpaceX information."
Popular Topics in r/spacex
#1
Spacex
19 posts
#2
Launch
8 posts
#3
Nasa
7 posts
#4
Space
6 posts
#5
Orbit
5 posts
#6
Struggling
4 posts
#7
Satellite
4 posts
#8
Flight
4 posts
#9
Falcon
3 posts
#10
Orbit Alpha Daily
3 posts
Flair Used in r/spacex
#1
Artemis
: "NASA shares new images of Starship HLS “Cabin 1” build in Starfactory"
5 posts
#2
Starship
: "SpaceX to attempt Starship catch on next flight, with eye on rapid cadence increase"
4 posts
#3
🚀 Official
: "SpaceX on X: Ship 42 static fires complete. The Starship preparing for Flight 15 performed a full duration, six-engine static fire, and fired a single Raptor engine to simulate a deorbit burn"
2 posts
#4
Company News
: "Musk says Tesla-SpaceX merger being considered"
1 post
#5
HLS
: "NASA HLS update presentation slides from IAC 2026 [PDF]"
1 post
#6
Falcon
: "Space Force scrambles as Musk’s SpaceX retires its major rocket"
1 post
Member Growth in r/spacex
Yearly
+34k members(0.9%)
Similar Subreddits to r/spacex
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Last updated: November 7, 2026