SubTrends

Averages 37 posts/day, top 5% activity. Most active Wednesdays around 7 AM UTC. Mostly link posts (100%).

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
37 9%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
1.1K 2%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
66 16%
Activity Rank #3,710 by posts/day among 90,883 tracked SFW subreddits as of Sep 2026 (Top 5%). Arrow is spots gained or lost vs the prior month.
#3,710 460
Top 5%
Posts w/ Links The percentage of posts that link off-site. This counts true link posts plus text posts with a URL in the body. Image and video posts are not counted.
100%
Low-Reply Rate Share of posts with 0 or 1 comment. A single comment is often an automated mod reply rather than real community discussion.
16%

r/science Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes020406001k2k3k4kSep 1Sep 8Sep 15Sep 22Sep 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Link
Typical Title Length Long (156 chars)
Peak Day Thursday

Upvote Distribution

How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.

2–9
7%
10–99
26%
100–999
34%
1K+
33%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 64%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 346
Top post Highest upvote count on a single post this month. 25.6K

r/science Most Active Times

Peak posting by day and hour (UTC)

Sun
Mon
Tue
Wed
Thu
Fri
Sat
12 AM
1 AM
2 AM
3 AM
4 AM
5 AM
6 AM
7 AM
8 AM
9 AM
10 AM
11 AM
12 PM
1 PM
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← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 7 AM
Mon 6 AM
Tue 7 AM
Wed 7 AM
Thu 6 AM
Fri 6 AM
Sat 7 AM

r/science Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
Health237 (21.6%)1.7K
Psychology159 (14.5%)1.6K
Neuroscience129 (11.7%)1.0K
Biology82 (7.5%)417
Medicine69 (6.3%)1.6K
Social Science67 (6.1%)1.5K
Environment51 (4.6%)528
Cancer38 (3.5%)1.4K
Earth Science34 (3.1%)401
Computer Science31 (2.8%)88

Post Type Breakdown

Share by text, image, or link

100%link posts

r/science Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
study
218 (19.8%)
1.9K103
removed
179 (16.3%)
213
moderator
177 (16.1%)
213
found
108 (9.8%)
1.0K65
may
105 (9.6%)
1.3K67
brain
104 (9.4%)
1.5K51
people
99 (9.0%)
2.1K133
risk
98 (8.9%)
1.2K74
higher
84 (7.6%)
1.8K104
research
75 (6.8%)
1.5K73

r/science Mentioned Domains

Most linked sites

Domain Links Upvotes
psypost.org1771.7K
sciencealert.com1102.5K
nature.com60367
eurekalert.org40924
doi.org39215
science.org27259
sciencedirect.com21437
link.springer.com18170
pubmed.ncbi.nlm.nih.gov16469
jamanetwork.com16288

r/science Top Posts

Highest-performing posts

Researchers identified a teenager with an exceptionally rare memory ability, capable of recalling details with accuracy that exceeds an estimated 99.9% of the population, offering new insights into human memory.

25.6K upvotes 1.5K comments link Sep 24

Taxing billionaires and redistributing wealth could save millions of lives amid global aid cuts. In a world where there are over 3,000 billionaires, worth a record €17.4 ($20.1) trillion, up €3.46 ($4) trillion from last year, a 3% tax on their wealth would have the largest estimated effect

21.2K upvotes 1.1K comments link Sep 19

Taylor Swift fans lower climate concerns to justify her carbon footprint. When confronted with news about the excessive pollution generated by her private jet, highly identified fans tend to rationalize the behavior, with a decrease in their personal intentions to engage in climate-friendly actions.

20.8K upvotes 1.9K comments link Sep 29

As Florida considers dropping its measles, mumps and rubella (MMR) vaccine mandate for school attendance, a new study predicts that such a policy change could spark the largest measles epidemic in the United States in nearly 500 years, with striking 650% increase in cases just between 2024 and 2025.

19.7K upvotes 980 comments link Sep 28

Scientists Find Parasites in Almost Every Fish From a Recent Tuna Haul – 96% Were Infected

19.7K upvotes 1.3K comments link Sep 3

A 3-Year-Old's Metastatic Cancer Disappeared After Two Doses of Experimental Therapy: Complete regression of hepatoblastoma, a malignant liver cancer and chemotherapy-resistant solid tumor, after CAR T cell treatment, achieved entirely in the outpatient setting without systemic toxicity.

19.1K upvotes 173 comments link Sep 15

Tylenol during pregnancy not linked to autism, ADHD, major review finds

18.6K upvotes 564 comments link Sep 28

Paying college students $5/night if they slept more than 7 hours (n=468) led to increased sleep and increased GPA compared to control group; habits lingered some after end of payments

18.4K upvotes 222 comments link Sep 15

Doctors noticed brain injuries can speed bone healing. Scientists flipped it: squeezing a shinbone after brain injury helped mice and pigs survive more, move better and remember more. Pressure-sensing bone cells released protective signals into the blood that reduced brain damage.

17.0K upvotes 293 comments link Sep 27

Heavy ChatGPT use linked to intellectual laziness and social isolation

16.8K upvotes 864 comments link Sep 2

r/science Audience Overlap

Overlapping audiences

r/science FAQ

What's the best time to post on r/science?

Based on posting volume, r/science is most active on Wednesdays around 7 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/science?

r/science averages 37 posts per day and ranks in the top 5% for activity among tracked SFW subreddits.

How many upvotes do posts on r/science get?

Posts on r/science average about 1,146 upvotes this month (net score per post).

What kind of posts does r/science get most?

On r/science, most posts are link posts (100%)