Phys.org -
24 Jul 2018 14:00

Life as we know it needs water to thrive. Even so, we see life persist in the driest environments on Earth. But how dry is too dry? At what point is an environment too extreme for even microorganisms, the smallest and often most resilient of lifeforms, to survive? These questions are important to scientists searching for life beyond Earth, including on the planet Mars. To help answer this question, a research team from NASA's Ames Research Center in California's Silicon Valley traveled to the dr...
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