Dunes and Slopes in Crater Southwest of Xainza Crater, Mars (Photo: NASA/JPL/University of Arizona) Ridged Surface Near Nilokeras Scopulus (Photo: NASA/JPL/University of Arizona) English sculptor Phyllida Barlow (no relation to me although I would love to claim her as a kinswoman—after all, so talented AND she is the great-great-great-granddaughter of Charles Darwin) has captured an […]