In recent years, Mars has looked more and more like a place where past life might have flourished. Now, some researchers believe the Red Planet may have the ingredients for life to exist in the present. You just have to go underground. In research published today in Nature Geoscience, a JPL-led team looked at the amount of oxygen in Martian soil, and their findings were influenced by two key recent discoveries. First, the Curiosity rover had found rocks on Mars that were heavily oxidized, possibly the result of water permeating into the rocks. Second is the recent research that revealed sources of briny water on Mars.
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