Evidence for Flowing Water on Mars Grows Stronger

THE WOODLANDS, Tex.–Today's Mars is a frigid desert, a place where water–the key to life as we know it–has gone into hiding. Whatever water may have once existed on Mars in rivers, lakes or even oceans is now frozen into ice caps, locked up in hydrated minerals or buried in debris-coated glaciers

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Evidence for Flowing Water on Mars Grows Stronger