A series of fossil finds suggests that life on Earth started earlier than anyone thought, calling into question a widely held theory of the solar system’s beginnings. <p>The post <a href="https://www.quantamagazine.org/fossil-discoveries-challenge-ideas-about-earths-start-20180122/" target="_blank">Fossil Discoveries Challenge Ideas About Earth’s Start</a> first appeared on <a href="https://www.quantamagazine.org" target="_blank">Quanta Magazine</a></p>

Fossil Discoveries Challenge Ideas About Earth’s Start

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