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Know the cosmos and our place within it.
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Empowering the world's citizens to advance space science and exploration.

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“Exploration is in our nature.” - Carl Sagan

Articles

Stories, updates, insights, and original analysis from The Planetary Society.

Solar system montage with eight planets

Microbes exist deep inside Earth’s craters. Could this be the secret to finding life on other worlds?

Earth possesses amazing biological diversity. Every corner of this planet—no matter how bizarre the place—is inhabited by microorganisms. This includes impact craters.

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