A 3-D image of a trough in the Nili Fossae region of Mars shows phyllosilcates (in magenta and blue hues) on slopes of mesas and canyon walls, showing water played a role in Mars’ past. For all the Mars romanticists out there, we (yes, that means me, too) hope and maybe even dream that Mars … Continue reading "New Evidence for a Wetter, Warmer Ancient Mars"