244 posts analyzed Updated Sep 2026
Averages 8 posts/day, top 25% activity. Most active Tuesdays around 9 PM UTC. Mostly link posts.
r/nasa Traffic & Engagement r/nasa Traffic & Engagement
Volume and engagement over time Posting volume and engagement over time
Post Format
Upvote Distribution
How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.
r/nasa Most Active Times When r/nasa Is Most Active
Peak posting by day and hour (UTC) When this community posts most, by day and hour (UTC)
Most Active by Day
r/nasa Flair Performance r/nasa Flair Performance
Upvotes and volume by flair Average upvotes and post volume by flair
| Flair | Posts | Upvotes |
|---|---|---|
| Question | 63 (25.8%) | 75 |
| NASA | 45 (18.4%) | 118 |
| Article | 41 (16.8%) | 133 |
| News | 20 (8.2%) | 67 |
| Other | 18 (7.4%) | 18 |
| Image | 18 (7.4%) | 1 |
| Video | 10 (4.1%) | 181 |
| Self | 10 (4.1%) | 1 |
| ShowMeSunday | 9 (3.7%) | 117 |
| Working@NASA | 6 (2.5%) | 1 |
Post Type Breakdown
Share by text, image, or link Share of posts by format: text, image, or link
r/nasa Trending Keywords Trending Keywords in r/nasa
Ranked by how often they appear Title keywords ranked by how often they appear
| Keyword | Mentions ▼ | Upvotes | Comments |
|---|---|---|---|
| nasa | 106 (43.4%) | 103 | 5 |
| space | 61 (25.0%) | 83 | 5 |
| looking | 17 (7.0%) | 224 | 11 |
| roman | 16 (6.6%) | 111 | 8 |
| nasa's | 16 (6.6%) | 207 | 8 |
| telescope | 15 (6.2%) | 157 | 8 |
| mission | 14 (5.7%) | 96 | 4 |
| mars | 13 (5.3%) | 103 | 2 |
| removed | 12 (4.9%) | 1 | 1 |
| first | 10 (4.1%) | 91 | 3 |
r/nasa Mentioned Domains Mentioned Domains in r/nasa
Most linked sites Most linked sites in this subreddit
| Domain | Links | Upvotes |
|---|---|---|
| nasa.gov | 19 | 204 |
| science.nasa.gov | 16 | 135 |
| youtube.com | 9 | 14 |
| youtu.be | 8 | 28 |
| usatoday.com | 4 | 121 |
| music.youtube.com | 4 | 1 |
| space.com | 3 | 109 |
| drewexmachina.com | 3 | 104 |
| arstechnica.com | 3 | 241 |
| thebrighterside.news | 3 | 65 |
r/nasa Top Posts Top Performing Posts in r/nasa
Highest-performing posts Highest-performing posts. Each title links to Reddit.
Why are the foil looking shield always full of creases?
NASA's VIEW program running on an UNIVAC 1108 to help Apollo astronauts to pre-visualize what they will see during their missions
NASA astronauts consistently report that space has a metallic smell
NASA has been auctioning off and donating its engineers’ equipment for making spacecraft. That’s already affected work on the Roman Space Telescope, DAVINCI (for exploring Venus) and a satellite launched this summer.
A spectacle of stars captured by NASA's James Webb Space Telescope
Coastal dunes in Brazil's Lençóis Maranhenses National Park, as seen from space
After 50+ hours over two months, the NASA Mars Rover family charms are complete.
JSC: Incredible History, But It Needs a Serious Rethink
NASA has Underspent on Research and Analysis for 15 Years - Eos
NASA Names Two Artemis II Astronauts to Emeritus Program
r/nasa Audience Overlap r/nasa Subreddit Overlap & Related Communities
Overlapping audiences Communities with overlapping audiences
r/nasa FAQ Frequently Asked Questions About r/nasa
What's the best time to post on r/nasa?
Based on posting volume, r/nasa is most active on Tuesdays around 9 PM UTC. That window has the most community activity, but busier hours also mean more competition for attention.
How active is r/nasa?
r/nasa averages 8 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.
How many upvotes do posts on r/nasa get?
Posts on r/nasa average about 82 upvotes this month (net score per post).
What kind of posts does r/nasa get most?
On r/nasa, posts are a mix of formats, mostly link posts