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Microbes in deep-sea volcanoes can help scientists learn about early life on Earth, or even life beyond our planet

By James F. Holden, Professor of Microbiology, UMass Amherst

People have long wondered what life was first like on Earth, and if there is life in our solar system beyond our planet. Scientists have reason to believe that some of the moons in our solar system – like Jupiter’s Europa and Saturn’s Enceladus – may contain deep, salty liquid oceans under an icy shell. Seafloor volcanoes could heat these moons’ oceans and provide the basic…

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