r/science2 is a subreddit with 17k members. The community frequently discusses space, scientists, science, earth, and climate, and the most common flair used is peer reviewed!, article, and ai assisted.
Everything science. An alternative to reddit's stodgy main science sub-reddit. Here articles need not be peer reviewed, just about science and interesting!
Popular Topics in r/science2
#1
Space
64 posts
#2
Scientists
58 posts
#3
Science
40 posts
#4
Earth
28 posts
#5
Climate
26 posts
#6
Mars
19 posts
#7
Nasa
18 posts
#8
New
18 posts
#9
Ocean
13 posts
#10
Life
12 posts
Flair Used in r/science2
#1
Peer Reviewed!
: "Higher nitrite (NO2-) intake was linked to gastric cancer risk in natural animal sources (55%) and processed meat (94%), but a lower risk in plant sources (-37%), study of 54,610 adults over 27 years found. Higher nitrate (NO3-) intake had a higher risk in processed meat (212%) and tap water (95%)."
2 posts
#2
Article
: "How "control" differs between the experimental and observational studies you read"
1 post
#3
AI assisted
: "An AI Found a Hidden Machine Inside Viruses (Nobody Knows What It Does)"
1 post
Member Growth in r/science2
Yearly
+8k members(88.3%)
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About
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This page gives a focused view of r/science2, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: October 1, 2026