Askscience

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Science

134.6Mmembers

Biology

35.5Mmembers

Explore science subreddits

See the most popular science subreddits on Reddit in 2026, sorted by size. Physics, chemistry, biology, psychology, earth science and math meet here, from new peer-reviewed research to questions put to working scientists. Popular subreddits include Science, Askscience, Physics and Math. All 205 communities sort by growth, age or daily posts. Our Reddit stats are always up to date

Categorized Science subreddits: 205Scanned subreddits: 125.166Subreddits waiting: 15

Rank	Subreddit	Members?	Daily posts?	Scanned?	Growth?	Age?		View and save subreddits
205	IFLScienceOfficialRules	9.823	N/A	8 days ago	+1.4%	2 years	Science	Open galleryOpen
204	CHROMATOGRAPHY	10.540	N/A	8 days ago	+1.2%	14 years	Science	Open galleryOpen
203	MMathOlympiadRules	10.614	N/A	8 days ago	+1.9%	9 years	Science	Open galleryOpen
202	scientistsPHRules	10.768	N/A	8 days ago	+3.8%	5 years	Science	Open galleryOpen
201	Metric	10.899	N/A	8 days ago	+1.1%	17 years	Science	Open galleryOpen
200	Brain	11.260	N/A	8 hours ago	N/A	17 years	Science	Open galleryOpen
199	massspectrometry	11.361	N/A	8 days ago	+1%	12 years	Science	Open galleryOpen
198	BBCI	11.498	N/A	3 days ago	+2.2%	16 years	Science	Open galleryOpen
197	energeticsRules	11.731	N/A	8 days ago	+2.8%	6 years	Science	Open galleryOpen
196	Ccomplexsystems	11.804	N/A	4 days ago	+3.9%	15 years	Science	Open galleryOpen
195	ResearcherRules	11.855	N/A	8 days ago	+2.2%	16 years	Science	Open galleryOpen
194	Simulate	11.975	N/A	8 days ago	+1.6%	14 years	Science	Open galleryOpen
193	Pplantpathology	12.034	N/A	8 days ago	+0.3%	14 years	Science	Open galleryOpen
192	MMagnetsRules	12.193	N/A	8 days ago	+2.3%	16 years	Science	Open galleryOpen
191	PakSci	12.237	N/A	8 days ago	+0.1%	1 year	Science	Open galleryOpen
190	Psychology_IndiaRules	12.288	N/A	8 days ago	+4.7%	5 years	Science	Open galleryOpen
189	ForensicScience	12.571	N/A	8 days ago	+0.9%	14 years	Science	Open galleryOpen
188	Ggeophysics	12.878	N/A	2 days ago	+1.6%	17 years	Science	Open galleryOpen
187	OoptimizationRules	13.015	N/A	3 days ago	+0.7%	17 years	Science	Open galleryOpen
186	mathsmeme	13.126	N/A	8 days ago	+0.4%	1 year	Science	Open galleryOpen
185	Heliobiology	14.165	N/A	2 days ago	+0.9%	2 years	Science	Open galleryOpen
184	ScienceClock	14.268	N/A	7 hours ago	+0.1%	1 year	Science	Open galleryOpen
183	Matematicas	14.618	N/A	8 days ago	+1.2%	5 years	Science	Open galleryOpen
182	PPreciousMetalRefining	14.989	N/A	8 days ago	+1%	11 years	Science	Open galleryOpen
181	KinesiologyRules	15.786	N/A	8 days ago	+0.6%	14 years	Science	Open galleryOpen
180	Nnanotech	16.346	N/A	3 days ago	+0.7%	18 years	Science	Open galleryOpen
179	QquantummechanicsRules	16.405	N/A	14 days ago	N/A	16 years	Science	Open galleryOpen
178	PPersonality	16.598	N/A	8 days ago	+13.5%	17 years	Science	Open galleryOpen
177	compmathneuro	17.025	N/A	8 days ago	+1.4%	15 years	Science	Open galleryOpen
176	science2	17.078	N/A	8 days ago	+2.3%	18 years	Science	Open galleryOpen
175	hyperphantasiaRules	17.239	N/A	8 days ago	+0.6%	8 years	Science	Open galleryOpen
174	PsicologiaMemes	17.479	N/A	7 days ago	+1.3%	1 year	Science	Open galleryOpen
173	SpecEvoJerkingRules	18.078	N/A	8 days ago	+1%	6 years	Science	Open galleryOpen
172	Ooceanography	18.366	N/A	37 hours ago	+2.9%	16 years	Science	Open galleryOpen
171	CCasualMath	18.411	N/A	9 days ago	+1%	16 years	Science	Open galleryOpen
170	science_humor	18.576	N/A	4 days ago	+1.3%	6 years	Science	Open galleryOpen
169	YaScienceBitch	18.859	N/A	6 days ago	+1.9%	3 months	Science	Open galleryOpen
168	exercisescienceRules	18.996	N/A	7 days ago	+1.1%	12 years	Science	Open galleryOpen
167	PPhysicsHelpRules	19.082	N/A	8 days ago	+1.9%	17 years	Science	Open galleryOpen
166	DravidiologyRules	19.446	N/A	8 days ago	+1.6%	3 years	Science	Open galleryOpen
165	paleoanthropology	19.511	N/A	8 days ago	+2.8%	14 years	Science	Open galleryOpen
164	Cculturalstudies	19.613	N/A	8 days ago	+0.1%	18 years	Science	Open galleryOpen
163	Freud	19.633	N/A	8 days ago	+2.2%	12 years	Science	Open galleryOpen
162	PPhysiologyRules	19.801	N/A	5 days ago	+1.1%	16 years	Science	Open galleryOpen
161	electrochemistry	19.852	N/A	8 days ago	+1%	12 years	Science	Open galleryOpen
160	thermodynamicsRules	20.188	N/A	4 days ago	+0.7%	16 years	Science	Open galleryOpen
159	whatisthisrock	20.244	N/A	9 days ago	N/A	14 years	Science	Open galleryOpen
158	stemcellsRules	20.496	N/A	8 days ago	+0.3%	16 years	Science	Open galleryOpen
157	Ggenomics	20.682	N/A	4 days ago	+0.4%	18 years	Science	Open galleryOpen
156	DebateEvolutionRules	21.187	N/A	6 days ago	+0.7%	13 years	Science	Open galleryOpen
155	boneidentification	21.209	N/A	9 days ago	+1.4%	4 years	Science	Open galleryOpen
154	HHydrology	21.329	N/A	4 days ago	+1%	16 years	Science	Open galleryOpen
153	puremathematicsRules	21.463	N/A	8 days ago	+0.5%	16 years	Science	Open galleryOpen
152	TtDCS	21.635	N/A	6 days ago	+0.2%	15 years	Science	Open galleryOpen
151	matheRules	21.802	N/A	7 days ago	+1.4%	10 years	Science	Open galleryOpen
150	Physik	22.071	N/A	7 days ago	+1.6%	13 years	Science	Open galleryOpen
149	Electricity	22.347	N/A	6 days ago	+0.9%	17 years	Science	Open galleryOpen
148	psychopharmacology	22.825	N/A	49 mins ago	+1.3%	17 years	Science	Open galleryOpen
147	NOAA	22.920	N/A	1 hour ago	+1%	11 years	Science	Open galleryOpen
146	VirologyRules	22.956	N/A	1 hour ago	+0.7%	14 years	Science	Open galleryOpen
145	SciencePureRules	23.041	N/A	2 hours ago	+0.2%	7 years	Science	Open galleryOpen
144	biyolojitr	23.115	N/A	2 hours ago	+1.7%	1 year	Science	Open galleryOpen
143	toxicologyRules	23.444	N/A	5 hours ago	+1.7%	16 years	Science	Open galleryOpen
142	CCRISPRRules	24.231	N/A	10 hours ago	+1.8%	12 years	Science	Open galleryOpen
141	IitsslagRules	25.210	N/A	17 hours ago	+0.7%	10 years	Science	Open galleryOpen
140	AmberfossilRules	25.260	N/A	17 hours ago	+0.1%	6 years	Science	Open galleryOpen
139	mathsmemesRules	25.554	N/A	18 hours ago	+0.5%	8 years	Science	Open galleryOpen
138	IImmunology	26.340	N/A	22 hours ago	+2.2%	18 years	Science	Open galleryOpen
137	Psychologist_post	26.592	N/A	23 hours ago	N/A	5 months	Science	Open galleryOpen
136	HypotheticalPhysicsRules	26.764	N/A	24 hours ago	+2.4%	8 years	Science	Open galleryOpen
135	Agarporn	26.946	N/A	24 hours ago	+1.8%	6 years	Science	Open galleryOpen
134	XRayPorn	27.326	N/A	26 hours ago	+1%	13 years	Science	Open galleryOpen
133	StandUpForScience	27.657	N/A	28 hours ago	N/A	1 year	Science	Open galleryOpen
132	FluorescentMineralsRules	27.869	N/A	29 hours ago	+1.8%	7 years	Science	Open galleryOpen
131	IisthisascamRules	28.222	N/A	8 days ago	+2%	12 years	Science	Open galleryOpen
130	Time	28.319	N/A	8 days ago	+5.4%	17 years	Science	Open galleryOpen
129	DNARules	28.717	N/A	33 hours ago	+0.6%	16 years	Science	Open galleryOpen
128	socialpsychologyRules	28.931	N/A	33 hours ago	+8.8%	14 years	Science	Open galleryOpen
127	epidemiologyRules	29.046	N/A	4 hours ago	+0.6%	16 years	Science	Open galleryOpen
126	SSoil	29.506	N/A	35 hours ago	+1.7%	16 years	Science	Open galleryOpen
125	Hhomechemistry	29.656	N/A	36 hours ago	+3%	14 years	Science	Open galleryOpen
124	gametheorymemesRules	32.204	N/A	44 hours ago	+0.3%	8 years	Science	Open galleryOpen
123	Nneurobiology	32.765	N/A	45 hours ago	+9.8%	12 years	Science	Open galleryOpen
122	PsicologiaES	34.222	N/A	8 days ago	+4.3%	11 years	Science	Open galleryOpen
121	ScienceLaboratoryRules	34.747	N/A	30 hours ago	+0.6%	6 years	Science	Open galleryOpen
120	cellular_automata	34.895	N/A	2 days ago	+2.8%	14 years	Science	Open galleryOpen
119	Social_PsychologyRules	35.568	N/A	2 days ago	+3.6%	14 years	Science	Open galleryOpen
118	CriminologyRules	35.744	N/A	2 days ago	+0.9%	16 years	Science	Open galleryOpen
117	PprobabilitytheoryRules	36.053	N/A	2 days ago	+5.2%	14 years	Science	Open galleryOpen
116	Ttheydidntdothemath	36.679	N/A	2 days ago	+0.2%	12 years	Science	Open galleryOpen
115	happinessRules	36.685	N/A	2 days ago	+2.6%	18 years	Science	Open galleryOpen
114	iqtestRules	37.000	N/A	2 days ago	+1.7%	14 years	Science	Open galleryOpen
113	okbuddypaleoRules	37.571	N/A	2 days ago	+1%	4 years	Science	Open galleryOpen
112	Vvisualizedmath	38.387	N/A	32 hours ago	+0%	8 years	Science	Open galleryOpen
111	Psychologie	38.432	N/A	2 days ago	+1.2%	8 years	Science	Open galleryOpen
110	phenotypesRules	39.006	N/A	8 days ago	+0.8%	5 years	Science	Open galleryOpen
109	NNIH	39.265	N/A	2 days ago	+1%	14 years	Science	Open galleryOpen
108	EEarthScienceRules	39.279	N/A	2 days ago	+9.4%	15 years	Science	Open galleryOpen
107	Astrobiology	39.510	N/A	2 days ago	+1.9%	16 years	Science	Open galleryOpen
106	ScienceOdyssey	40.379	N/A	2 days ago	+0.1%	1 year	Science	Open galleryOpen
105	wildlifebiology	40.515	N/A	2 days ago	+1.4%	15 years	Science	Open galleryOpen
104	AskBiologyRules	40.910	N/A	2 days ago	+3.7%	15 years	Science	Open galleryOpen
103	molecularbiology	40.949	N/A	2 days ago	+3.5%	16 years	Science	Open galleryOpen
102	IOPsychologyRules	42.135	N/A	2 days ago	+0.8%	15 years	Science	Open galleryOpen
101	microbiomenews	42.893	N/A	1 hour ago	+5.9%	2 years	Science	Open galleryOpen
100	GGAMETHEORY	43.737	N/A	3 hours ago	+3.3%	17 years	Science	Open galleryOpen
99	cursed_chemistryRules	44.780	N/A	6 hours ago	+1.4%	7 years	Science	Open galleryOpen
98	badmemes	45.164	N/A	7 hours ago	+0.2%	14 years	Science	Open galleryOpen
97	askgeology	45.276	N/A	7 hours ago	+4%	12 years	Science	Open galleryOpen
96	cursedchemistry	46.012	2.0	9 hours ago	+3%	6 years	Science	Open galleryOpen
95	HumanMicrobiomeRules	46.997	0.7	12 hours ago	+0.7%	9 years	Science	Open galleryOpen
94	fisicaRules	49.979	0.6	18 hours ago	+0.3%	16 years	Science	Open galleryOpen
93	AskChemistryRules	53.287	7.7	24 hours ago	+3.3%	5 years	Science	Open galleryOpen
92	crystalgrowingRules	53.383	3.1	24 hours ago	+1.2%	11 years	Science	Open galleryOpen
91	CChemprosRules	53.646	2.5	25 hours ago	+1%	7 years	Science	Open galleryOpen
90	LadiesofScienceRules	54.283	1.4	26 hours ago	+0.6%	15 years	Science	Open galleryOpen
89	desmosRules	55.451	13	28 hours ago	+3.3%	12 years	Science	Open galleryOpen
88	CERNRules	57.454	1.2	32 hours ago	+0.5%	17 years	Science	Open galleryOpen
87	PsikolojiRules	58.236	5.5	33 hours ago	+1.1%	11 years	Science	Open galleryOpen
86	Ccognitivescience	62.472	4.0	40 hours ago	+4.5%	16 years	Science	Open galleryOpen
85	biologymemesRules	62.997	0.9	41 hours ago	+0.7%	11 years	Science	Open galleryOpen
84	PrehistoricLifeRules	65.790	6.2	46 hours ago	+2.6%	12 years	Science	Open galleryOpen
83	TheoreticalPhysicsRules	67.451	1.0	2 days ago	+1.8%	14 years	Science	Open galleryOpen
82	AnatomyandPhysiology	67.847	4.5	2 days ago	+2.4%	15 years	Science	Open galleryOpen
81	cognitiveTestingRules	69.138	14	2 days ago	+0.9%	6 years	Science	Open galleryOpen
80	researchRules	69.577	4.1	2 days ago	+2.6%	18 years	Science	Open galleryOpen
79	forensicsRules	71.192	1.3	2 days ago	+0.4%	18 years	Science	Open galleryOpen
78	mathsRules	73.661	1.8	2 days ago	+2.5%	18 years	Science	Open galleryOpen
77	psychologyresearchRules	76.384	2.0	2 days ago	+1.6%	12 years	Science	Open galleryOpen
76	PParasitologyRules	76.864	1.9	2 days ago	+0.2%	16 years	Science	Open galleryOpen
75	RadiationRules	79.525	1.9	2 days ago	+1.2%	15 years	Science	Open galleryOpen
74	HotScienceNewsRules	81.531	6.5	2 days ago	+1.7%	5 years	Science	Open galleryOpen
73	RocksRules	83.983	3.6	2 days ago	+0.2%	16 years	Science	Open galleryOpen
72	MineralGoreRules	89.180	1.1	3 days ago	+1.3%	8 years	Science	Open galleryOpen
71	PsicologiaBRRules	90.495	3.1	3 days ago	+0.6%	8 years	Science	Open galleryOpen
70	foodscienceRules	92.980	4.1	3 days ago	+1.4%	17 years	Science	Open galleryOpen
69	conservationRules	93.162	4.0	3 days ago	+1.1%	17 years	Science	Open galleryOpen
68	quantumRules	94.000	1.7	3 days ago	+3%	17 years	Science	Open galleryOpen
67	Science_IndiaRules	94.017	1.7	3 days ago	+0.3%	2 years	Science	Open galleryOpen
66	seaRules	102.981	3.1	3 days ago	+1%	15 years	Science	Open galleryOpen
65	QuantumComputingRules	103.722	1.8	3 days ago	+1.3%	17 years	Science	Open galleryOpen
64	PsychologyTalkRules	105.327	10	3 days ago	+2.2%	12 years	Science	Open galleryOpen
63	3Blue1Brown	105.978	4.2	3 days ago	+2.1%	10 years	Science	Open galleryOpen
62	ScienceUncensored	113.553	1.2	3 days ago	+0.1%	14 years	Science	Open galleryOpen
61	PeptidesourceRules	113.798	2.9	3 days ago	+1.5%	5 years	Science	Open galleryOpen
60	chemhelpRules	117.216	18	3 days ago	+1%	15 years	Science	Open galleryOpen
59	oceansRules	120.910	1.3	4 days ago	+0.6%	15 years	Science	Open galleryOpen
58	microscopyRules	121.056	8.9	4 days ago	+0.3%	17 years	Science	Open galleryOpen
57	holofractal	121.632	0.7	4 days ago	+0.5%	12 years	Science	Open galleryOpen
56	STEW_ScTecEngWorldRules	124.301	9.5	4 days ago	+1.7%	4 years	Science	Open galleryOpen
55	chemistrymemesRules	132.793	2.0	4 days ago	+0.5%	9 years	Science	Open galleryOpen
54	ScholarRules	134.105	61	4 days ago	+0.8%	17 years	Science	Open galleryOpen
53	BiologiaBrasilRules	145.466	21	4 days ago	+5.9%	4 years	Science	Open galleryOpen
52	CcogsciRules	145.641	1.4	4 days ago	+0.5%	18 years	Science	Open galleryOpen
51	geneticsRules	145.836	2.9	4 days ago	+0.6%	18 years	Science	Open galleryOpen
50	NneuroRules	148.085	2.0	4 days ago	+0.8%	17 years	Science	Open galleryOpen
49	MmarinebiologyRules	148.728	3.4	4 days ago	+0.3%	16 years	Science	Open galleryOpen
48	zoologyRules	153.862	6.6	4 days ago	+2.1%	15 years	Science	Open galleryOpen
47	Popular_Science_RuRules	157.712	21	4 days ago	+2%	7 years	Science	Open galleryOpen
46	psychologyofsexRules	162.063	2.2	4 days ago	+2.1%	14 years	Science	Open galleryOpen
45	BiochemistryRules	164.002	1.8	4 days ago	+1.2%	17 years	Science	Open galleryOpen
44	bioinformaticsRules	167.249	3.2	4 days ago	+0.7%	18 years	Science	Open galleryOpen
43	timetravelRules	167.610	3.6	4 days ago	+1%	18 years	Science	Open galleryOpen
42	23andmeRules	168.501	14	4 days ago	+0.4%	15 years	Science	Open galleryOpen
41	NeuropsychologyRules	173.175	0.7	5 days ago	+0.3%	16 years	Science	Open galleryOpen
40	evolutionRules	175.466	2.1	5 days ago	+0.7%	18 years	Science	Open galleryOpen
39	DrugNerdsRules	182.132	0.3	5 days ago	+0.3%	15 years	Science	Open galleryOpen
38	AcademicPsychologyRules	189.982	4.1	5 days ago	+0.6%	15 years	Science	Open galleryOpen
37	MMicrobiomeRules	190.485	4.3	5 days ago	+0.4%	13 years	Science	Open galleryOpen
36	AskScienceDiscussionRules	193.799	3.0	5 days ago	+0.7%	13 years	Science	Open galleryOpen
35	SsociologyRules	200.104	1.8	5 days ago	N/A	18 years	Science	Open galleryOpen
34	MmicrobiologyRules	203.238	5.2	5 days ago	+0.7%	18 years	Science	Open galleryOpen
33	calculusRules	208.380	6.0	5 days ago	+0.8%	17 years	Science	Open galleryOpen
32	botanyRules	211.424	1.4	5 days ago	+0.3%	17 years	Science	Open galleryOpen
31	LlongevityRules	214.250	1.0	4 days ago	+0.3%	17 years	Science	Open galleryOpen
30	kurzgesagtRules	217.571	1.1	5 days ago	+0.3%	12 years	Science	Open galleryOpen
29	sciences	241.346	1.5	5 days ago	+0.4%	17 years	Science	Open galleryOpen
28	askmathRules	248.906	16	5 days ago	+0.5%	18 years	Science	Open galleryOpen
27	MmathematicsRules	256.678	23	5 days ago	+1%	18 years	Science	Open galleryOpen
26	biotechRules	257.581	23	5 days ago	+0.7%	17 years	Science	Open galleryOpen
25	geologyRules	299.801	8.8	6 days ago	+0.4%	17 years	Science	Open galleryOpen
24	FfossilidRules	300.528	29	6 days ago	+0.8%	15 years	Science	Open galleryOpen
23	EntomologyRules	311.489	34	6 days ago	+0.4%	17 years	Science	Open galleryOpen
22	askpsychologyRules	311.881	1.6	6 days ago	+0.4%	15 years	Science	Open galleryOpen
21	PaleontologyRules	332.855	8.4	6 days ago	+0.4%	17 years	Science	Open galleryOpen
20	skepticRules	353.739	3.6	5 days ago	+0.3%	18 years	Science	Open galleryOpen
19	physicsmemesRules	366.143	3.0	6 days ago	+0.4%	11 years	Science	Open galleryOpen
18	FFossilPornRules	410.532	0.8	6 days ago	+0.1%	13 years	Science	Open galleryOpen
17	DinosaursRules	422.067	8.3	6 days ago	+0.3%	18 years	Science	Open galleryOpen
16	OrnithologyRules	424.344	5.4	6 days ago	+0.5%	17 years	Science	Open galleryOpen
15	MoldlyInterestingRules	461.176	18	6 days ago	+0.5%	14 years	Science	Open galleryOpen
14	mathmemesRules	611.206	8.5	6 days ago	+0.5%	10 years	Science	Open galleryOpen
13	EverythingScienceRules	667.805	5.3	6 days ago	+0.5%	12 years	Science	Open galleryOpen
12	ciencia	700.527	1.5	6 days ago	+0%	18 years	Science	Open galleryOpen
11	whatsthisrockRules	700.853	50	6 days ago	+0.7%	13 years	Science	Open galleryOpen
10	labratsRules	730.044	32	6 days ago	+0.4%	15 years	Science	Open galleryOpen
9	BiohackersRules	919.879	35	6 days ago	+1.3%	13 years	Science	Open galleryOpen
8	theydidthemathRules	2.453.066	25	7 days ago	+0.5%	13 years	Science	Open galleryOpen
7	PPhysicsRules	3.253.633	7.3	7 days ago	+0.1%	18 years	Science	Open galleryOpen
6	chemistryRules	3.887.070	15	7 days ago	+0.1%	18 years	Science	Open galleryOpen

1.207

Technology

Phones, computers and gadgets, tech news, tech support, home servers and audio gear, from every brand

156

Cybersecurity

Security work and study, ethical hacking, malware, bug bounties, online privacy and avoiding scams

Machine learning

Machine learning as a field: research and papers, training models and running AI on your own machine

157

General AI

AI for everyone: chatbots and assistants, AI companions, the latest news and where it is all heading

Generative AI

Pictures, videos, music and voices made with AI, and the tools, prompts and workflows behind them

Vibe coding

Building software by talking to AI, with coding assistants, AI code editors and app builders

246

Programming

Writing software: programming languages, learning to code, web development, computer science and developer humor

Data & analytics

Data science, statistics, spreadsheets, SQL, dashboards and charts that show the numbers well

Websites & blogging

Blogging, WordPress, hosting, domains and newsletters, for people who build and run their own websites

Engineering

Engineers of every field at work and in school, CAD tools, and how things are built and why they fail

Space

Planets and stars, rockets and spaceflight, NASA and SpaceX, telescopes and photos of the night sky

Facts & knowledge

Trivia, things people just learned, life tips, handy guides and infographics on every subject