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
Exocomets Light Up 100 Billion Kilometers of Space
A remarkable new image reveals the teething pains of an entire planetary system
The Crazy Scale of Human Carbon Emission
Want some perspective on how much carbon dioxide human activity produces? Here it is
Planets: A Modest Proposal
When is a planet a planet? Always, whether it's a hecto-planet or a milli-planet
Astrobiology Roundup: Giant Viruses, Ceres Landslides and Planet Nine
From accordion genomes to icy flows and binary trans-Neptunian objects
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
![Mars: As You've Never Seen It Before [Video]](https://static.scientificamerican.com/blogs/cache/file/C1C62D7D-4656-4DC2-A0A8465CA86C215B_agenda.jpg?w=275&h=154&fit=crop)
Mars: As You've Never Seen It Before [Video]
An astonishing rendering of 12 years of orbital images brings the planet to life
The Real Expanse
Human colonization of space would be terrifyingly hard, and that's the best thing about it
Astrobiology Roundup: Dust Traps, Juno, Mars Lava and more
What's happening in the universe?
Tiny, Tiny TRAPPIST-1
The 7-planet system of TRAPPIST-1 is remarkable in many ways, including its size
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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Expeditions
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Extinction Countdown
News and research about endangered species from around the world
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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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MIND Guest Blog
Commentary invited by editors of Scientific American Mind
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Not bad science
New discoveries in animal behavior and cognition
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Observations
Opinion, arguments & analyses from guest experts and from the editors of Scientific American
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Plugged In
More than wires - exploring the connections between energy, environment, and our lives
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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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Tetrapod Zoology
Amphibians, reptiles, birds and mammals - living and extinct
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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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