Evolution
Life's Probability Problem
What do we even mean when we talk about the probability of life elsewhere in the cosmos?
Life, Unbounded
Discussion and news about planets, exoplanets, and astrobiology
Space
Exocomets Light Up 100 Billion Kilometers of Space
A remarkable new image reveals the teething pains of an entire planetary system
Space
The Crazy Scale of Human Carbon Emission
Want some perspective on how much carbon dioxide human activity produces? Here it is
Space
Planets: A Modest Proposal
When is a planet a planet? Always, whether it's a hecto-planet or a milli-planet
Space
Astrobiology Roundup: Giant Viruses, Ceres Landslides and Planet Nine
From accordion genomes to icy flows and binary trans-Neptunian objects
Space
New Evidence for Hydrothermal Havens in Enceladus
Spurting out molecular hydrogen and water, the icy moon Enceladus looks even tastier in the search for life
Space
Mars: As You've Never Seen It Before [Video]
An astonishing rendering of 12 years of orbital images brings the planet to life
Space
The Real Expanse
Human colonization of space would be terrifyingly hard, and that's the best thing about it
Space
Astrobiology Roundup: Dust Traps, Juno, Mars Lava and more
What's happening in the universe?
Space
Tiny, Tiny TRAPPIST-1
The 7-planet system of TRAPPIST-1 is remarkable in many ways, including its size
Blog Index
@ScientificAmerican
STAFFBehind the scenes at Scientific American
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Anecdotes from the Archive
STAFF
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Anthropology in Practice
Exploring the human condition.
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Beautiful Minds
Insights into intelligence, creativity, personality, and well-being
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Budding Scientist
Everything you always wanted to know about raising science-literate kids
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Cross-Check
Critical views of science in the news
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Dark Star Diaries
STAFF
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Dog Spies
Explore the science behind the dog in your bed
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Extinction Countdown
News and research about endangered species from around the world
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Eye of the Storm
The Science Behind Extreme Weather
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Frontiers for Young Minds
Science by and for kids ages 8-15
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Guest Blog
Commentary invited by editors of Scientific American
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Hot Planet
Climate science in a changing world
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Illusion Chasers
Illusions, Delusions, and Everyday Deceptions
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Life, Unbounded
Discussion and news about planets, exoplanets, and astrobiology
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Observations
Opinion, arguments & analyses from guest experts and from the editors of Scientific American
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Roots of Unity
Mathematics: learning it, doing it, celebrating it.
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Rosetta Stones
Adventures in the good science of rock-breaking.
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SA Visual
STAFFIllustrating science since 1845
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Talking back
STAFFA science blog, sans blague
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The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on Earth
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Voices
Exploring and celebrating diversity in science.
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