r/science is a subreddit with 34.6M members. The community frequently discusses worst, study, health, looking, and climate, and the most common flair used is health, biology, psychology, neuroscience, and cancer.
This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research.
Popular Topics in r/science
#1
Worst
20 posts
#2
Study
11 posts
#3
Health
11 posts
#4
Looking
9 posts
#5
Climate
7 posts
#6
Science
5 posts
#7
Mental
5 posts
#8
Pollution
4 posts
#9
Cancer
4 posts
#10
Brain
4 posts
Flair Used in r/science
#1
Health
: "Suicide attempts, ideation spiked significantly among older U.S. adults after COVID-19 pandemic. Research found suicidal ideation increased 42.6%, suicide planning by 256.2% and suicide attempts by 263.3%"
13 posts
#2
Biology
: "Sugar restriction in early life is linked to lower dementia risk and slightly slower brain aging decades later"
9 posts
#3
Psychology
: "White Americans who said being white was important to them or wanted less immigration were far more likely to switch to the Republican Party between 2016 and 2020, while those who felt warmly toward Black Lives Matter were far more likely to switch to the Democratic Party, a new study finds."
8 posts
#4
Neuroscience
: "Researchers found that older adults who napped frequently—defined as most days or every day—had a 48% higher risk of developing dementia compared to those who rarely or never napped, even after accounting for demographic factors, health conditions, and nighttime sleep characteristics"
7 posts
#5
Cancer
: "About 90% of pancreatic cancers are driven by KRAS mutations. A new pancreatic cancer vaccine taught the immune system to attack these mutations in 89 of 90 patients, and those with the strongest immune response stayed cancer-free for longer. A larger phase 3 trial is now planned."
7 posts
#6
Environment
: "16 Years After the Deepwater Horizon Oil Spill, Deep-Sea Marine Life in the Gulf of Mexico Has Yet to Recover, With Populations of Fish, Crustaceans, Squid, and Octopuses Declining by Around 60% and Some Species Losing Genetic Diversity."
3 posts
#7
Social Science
: "When American politicians push 'white replacement' theory (the claim that immigration is a secret plot to make white Christian conservatives a minority), white supremacist protests and propaganda rise, especially in their own states, according to a new study from 2021-23."
3 posts
#8
Medicine
: "About 1 in 7 US adults starting semaglutide were given an off-label high first dose, and those patients had a 25% higher rate of stopping the drug early and were less likely to still be on it a year later"
3 posts
#9
Astronomy
: "NASA-sponsored National Academies committee recommends 4 locations for humans to begin investigating the moon; Purdue chair speaks at briefing"
3 posts
#10
Genetics
: "University of Ottawa scientists uncover the molecular pillars that shape our cells’ powerpacks. The innovative study identifies a key protein that genetically controls mitochondrial architecture, potentially unlocking new insights into cellular energy production and disease progression..."
2 posts
Member Growth in r/science
Yearly
+309k members(0.9%)
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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/science, 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: October 26, 2026