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Top books from r/askscience
r/askscience is a moderated Q&A forum where verified scientists and informed enthusiasts answer questions spanning biology, physics, chemistry, and earth sciences.
Updated July 2026 — rankings refresh with each new pull of comment data.
About this ranking
r/askscience skews toward books that explain science rather than do it — its top recommendation, The Selfish Gene with 17 mentions, is a popular-science argument about evolution, not a genetics textbook. What If? by Randall Munroe (12 mentions) and A Brief History of Time (11 mentions) round out a list that prizes clarity and wit over rigor. The Emperor of All Maladies and Your Inner Fish (10 mentions each) reflect a strong pull toward narrative biology and medicine — a contrast to r/MachineLearning, whose top title is the dense Pattern Recognition and Machine Learning textbook (26 mentions). Almost nothing from the r/askscience list appears in the other comparison subs, which says something about how self-contained science-curious reading is as a taste.
By year
Most-recommended in r/askscience
Recency-weighted score across all years tracked.
#1 The Selfish Gene
Richard Dawkins
Richard Dawkins argues that evolution makes more sense when you stop rooting for the organism and start watching the gene.
#2 The Emperor of All Maladies: A Biography of Cancer
Siddhartha Mukherjee
Siddhartha Mukherjee traces cancer from ancient papyrus to targeted therapy, framing it as a 4,000-year war medicine is still losing on some fronts.
#3 What If?: Serious Scientific Answers to Absurd Hypothetical Questions
Randall Munroe
Randall Munroe takes absurd physics questions — what if a baseball traveled at 90% the speed of light? — and answers them with actual math.
#4 Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body
Neil Shubin
A paleontologist finds a fish fossil in the Arctic and uses it to trace the evolutionary origin of your hands, ears, and hernias.
#5 A Brief History of Time
Stephen Hawking
Stephen Hawking explains black holes, the Big Bang, and the edge of time to people who never took a physics class.
#6 Immune: A Journey into the Mysterious System That Keeps You Alive
Philipp Dettmer
Philipp Dettmer of Kurzgesagt turns the immune system into a 300-page illustrated war story, written for the person who watched every YouTube video and still wanted more.
#7 Cosmos
Carl Sagan
Carl Sagan's 1980 tour of 15 billion years of cosmic history, written for anyone who once looked up and wanted a real answer.
#8 The Immortal Life of Henrietta Lacks
Rebecca Skloot
A Black woman's cancer cells were taken without her knowledge in 1951, then used in nearly every major biomedical breakthrough for decades while her family knew nothing.
#9 On the Origin of Species
Charles Darwin
Darwin lays out natural selection with no genes, no genetics lab, and enough observational evidence to strand every subsequent counter-argument.
#10 The Double Helix
James D. Watson
The story behind the story of DNA: Watson and Crick's race to the double helix, including the part where they used Rosalind Franklin's data without her knowledge.
#11 I Contain Multitudes: The Microbes Within Us and a Grander View of Life
Ed Yong
Ed Yong takes the microbiome from lab jargon to something that makes you look at every living thing differently.
#12 Ignition!: An Informal History of Liquid Rocket Propellants
John D. Clark
A rocket chemist's irreverent account of the people who spent the Cold War blowing things up in pursuit of the perfect propellant.
#13 The Feynman Lectures on Physics
Richard P. Feynman
Feynman's three-volume lecture series, free online, used to teach Caltech freshmen physics from particles to gravity.
#14 The Man Who Mistook His Wife for a Hat
Oliver Sacks
A neurologist's case files: patients who lost the ability to recognize faces, bodies, and the right side of the world — and remained fully themselves.
#15 A Short History of Nearly Everything
Bill Bryson
Bill Bryson traces how scientists figured out the age of the Earth, the size of the atom, and nearly everything else — told through the humans who got it wrong first.
#16 The Elegant Universe
Brian Greene
Brian Greene walks you from Newton to superstrings using astronauts, blinking lights, and rubber-sheet gravity — no physics degree required.
#17 Gödel, Escher, Bach: An Eternal Golden Braid
Douglas R. Hofstadter
A Pulitzer-winning tour through Gödel's incompleteness theorem, Bach's fugues, and Escher's impossible loops — all in service of one question: what is consciousness?
#18 An Immense World: How Animal Senses Reveal the Hidden Realms Around Us
Ed Yong
Ed Yong maps the hidden sensory worlds of animals — from the electric fields sharks feel to the ultraviolet colors butterflies see — that exist just outside human perception.
#19 Surely You're Joking, Mr. Feynman!
Richard P. Feynman
A Nobel physicist narrates his own life as a sequence of pranks, safecracks, bongo sessions, and accidental discoveries — none of which he takes more seriously than the others.
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