Posted on by Evan Gough

Asking the Big Question: Where Did Life Originate?

Water's Early Journey in a Solar System
Somehow, life originated on Earth. Even without knowing everything about how that happened, can we learn how likely it is to happen elsewhere? Image Credit: NASA/JPL-Caltech

Where on Earth did life originate, and where else could it occur? A comprehensive answer is most likely a long way off. But it might depend on how many suitable sites for abiogenesis there are on different worlds.

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