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

Fossils or good-looking rocks? Why searching for life on other worlds is hard

If you find a structure that looks like ancient life, can you be really sure that it is ancient life?

Space is vast. There's a lot of exploring to do.

You can increase discoveries in the worlds of our solar system and beyond. When you join The Planetary Society, you help build public support for planetary science, encourage decision makers to prioritize human and robotic exploration, and support technological advances in planetary exploration.

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