News FocusPlanetary Science

Is Mars Looking Drier and Drier for Longer and Longer?

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Science  21 Sep 2007:
Vol. 317, Issue 5845, pp. 1673
DOI: 10.1126/science.317.5845.1673

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A report in this week's issue of Science (p. 1706) shows that the more closely planetary scientists scrutinize the Red Planet, the less wet and weathered its surface appears to be, even in the solar system's earliest days.