The Most Interesting Rock in the World
And it's not even from Earth
Life, Unbounded
Discussion and news about planets, exoplanets, and astrobiology
Eclipse: It's All about the Umbra
What makes a total solar eclipse seem so strange and awe-inspiring?
For an Almost Daily Eclipse, Go to Mars
Earth may get great solar eclipses, but they don't happen all the time
Are Tardigrades Really That Tough?
Astrophysical events may have a hard time sterilizing Earth-analogue worlds, based on the example of water bears. But is it this simple?
Chasing Consciousness, and the Information Revolution
A new institute gains steam, together with a new set of ideas on matter, life and information
Astrobiology Roundup: Planet Nine, Planet 8.1 and Sweaty Skin
Planets in the outer solar system and terrestrial microbes in unexpected places
Complex Life: Wimpy or Tough?
Complex life may be less resilient than microbial life by some measures, but it's not necessarily cosmically delicate
Fun with Gravitational Waves
Even the Earth – sun system radiates gravitational waves, but just how powerful are they?...
Jupiter Now Has 69 Moons
Our local gas giant has two more natural satellites added to its roster
![Take an HD Ride around Jupiter [Video]](https://static.scientificamerican.com/blogs/cache/file/4C4626FF-C998-4A6C-994EFF2797D8B534_agenda.jpg?w=275&h=154&fit=crop)
Take an HD Ride around Jupiter [Video]
An exquisite time-lapse of our local, surprisingly complex gas giant
Blog Index
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Anthropology in Practice
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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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Science by and for kids ages 8-15
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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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