 28 June 2016
        Oxides discovered on Mars hint at an oxygen-rich past
        28 June 2016
        Oxides discovered on Mars hint at an oxygen-rich past
        ... National Laboratory and lead author on the study published in the American Geophysical Union's journal. "Now we're seeing manganese-oxides on Mars and wondering how the heck these could have formed." On Earth, the transformation from relatively...