On the Moon
Seldom shown images from the Apollo missions still evoke powerful responses
Life, Unbounded
Discussion and news about planets, exoplanets, and astrobiology
Compress the Universe
A simple thought experiment that will shock the socks off you
The Zoomable Universe
Reality as we know it spans 63 orders of magnitude in scale, and now all of that is in one book
Spacecraft Flies By a Habitable Planet
Echoing a famous experiment, the OSIRIS-REx mission treats Earth as a target of opportunity
Putting Odds on the Human Future
We've got a doomsday clock, how about a set of running odds on what happens to us?
Let's Not Forget Tau Ceti
The second-closest, properly sunlike star seems to be at least as interesting as the Alpha Centauri stars
How to Predict a Hostile Alien Invasion
It's hardly the most pressing concern for Earth, but there might be a way to forewarn ourselves
Saturn Looms
The end of the Cassini mission is presaged by unique and extraordinary images
Voyager Deconstructed
The mechanics of two 40-year-old spacecraft
The Most Interesting Rock in the World
And it's not even from Earth
Blog Index
@ScientificAmerican
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Anecdotes from the Archive
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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
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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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