SubTrends

Averages 211 posts/day, top 1% activity. Most active Wednesdays around 8 AM UTC. Mostly text posts (100%).

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
211 25%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
8 97%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
2 102%
Activity Rank #244 by posts/day among 90,883 tracked SFW subreddits as of Sep 2026 (Top 1%). Arrow is spots gained or lost vs the prior month.
#244 Top 1% 122
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.
0%
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.
98%

r/askscience Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes0100200300010203040Sep 1Sep 8Sep 15Sep 22Sep 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Text
Typical Title Length Medium (68 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
5%
10–99
25%
100–999
56%
1K+
14%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 2%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 188
Top post Highest upvote count on a single post this month. 3.5K

r/askscience Most Active Times

Peak posting by day and hour (UTC)

Sun
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Thu
Fri
Sat
12 AM
1 AM
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5 AM
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← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 8 AM
Mon 8 AM
Tue 8 AM
Wed 8 AM
Thu 8 AM
Fri 8 AM
Sat 8 AM

r/askscience Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
Earth Sciences4.6K (73.1%)2
Medicine498 (7.9%)2
Physics288 (4.5%)16
Biology276 (4.4%)80
Human Body147 (2.3%)32
Chemistry116 (1.8%)32
Astronomy107 (1.7%)7
Neuroscience64 (1.0%)24
Planetary Sci.52 (0.8%)32
Psychology38 (0.6%)13

Post Type Breakdown

Share by text, image, or link

100%text posts

r/askscience Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
prices
1.8K (27.8%)
10
better
1.4K (22.8%)
20
quality
1.2K (18.6%)
10
sale
981 (15.5%)
10
shop
878 (13.9%)
10
premium
827 (13.1%)
10
savings
674 (10.6%)
10
day
532 (8.4%)
20
mind
494 (7.8%)
10
every
463 (7.3%)
20

r/askscience Mentioned Domains

Most linked sites

This community doesn't link off-site.

Its posts are text, images, or discussion rather than outbound links.

r/askscience Top Posts

Highest-performing posts

Can someone explain the evolutionary benefit of overt menstruation? All female mammals have a menstrual cycle but most reabsorb the blood via covert menstruation and humans are about the only mammals that discharge the blood, aka overt menstruation.

3.5K upvotes 360 comments text Sep 24

Pineapple contains bromelain that helps tenderize meat. If I were to put my hand in pineapple juice or puree for 24 hours, would it eventually break down my hand?

3.3K upvotes 348 comments text Sep 24

Why is there no transmissible therapeutic virus if biology doesn't forbid it? For example, a harmless virus that spreads from person to person but actually does something beneficial, like lowering LDL cholesterol or preventing/reversing tooth decay?

2.1K upvotes 202 comments text Sep 19

Why has the coyote become so wildly successful, while the wolf continues to decline?

2.0K upvotes 312 comments text Sep 7

If humans evolved a fourth color cone naturally overtime, either super short or super long, would "magenta" disappear?

1.4K upvotes 277 comments text Sep 28

In an infinite fall, what would kill a human first?

1.4K upvotes 163 comments text Sep 11

I blow my nose with toilet paper; is it better for the environment to flush it down the toilet or to put it in the waste bin?

1.3K upvotes 453 comments text Sep 18

If a person avoids a food like eggs for many years, does the body lose the ability to digest it efficiently?

1.3K upvotes 176 comments text Sep 26

Is there anything at the heart of computer coding that could have been optimised in hindsight, but we're in far too deep to change now?

1.3K upvotes 623 comments text Sep 17

Why is the maximum speed of the universe the speed of light? Why can't we go faster?

1.3K upvotes 802 comments text Sep 18

r/askscience Audience Overlap

Overlapping audiences

r/askscience FAQ

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

Based on posting volume, r/askscience is most active on Wednesdays around 8 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/askscience?

r/askscience averages 211 posts per day and ranks in the top 1% for activity among tracked SFW subreddits.

How many upvotes do posts on r/askscience get?

Posts on r/askscience average about 8 upvotes this month (net score per post).

What kind of posts does r/askscience get most?

On r/askscience, most posts are text posts (100%)