Mars 'Marathon Valley' Overlook This view from NASA's Mars Exploration Rover Opportunity shows part of "Marathon Valley," a destination on the western rim of Endeavour Crater, as seen from an overlook north of the valley.
ESA / DLR / FU Berlin / Bill Dunford Clouds Over the North The north polar cap of Mars, with water ice clouds sweeping over the plains of Vastitas Borealis. The ice cap spans roughly 1000 kilometers. Observed by the Mars Express orbiter in May
Gusev Crater "Winter Haven" for the Mars Spirit Rover, taken on Martian mission days Sol 814 through 932 (April 18 to Aug 2006 on Earth). See the annotated version (I also pinned) for additional information.
What makes these mid-latitude craters in the Hellas Basin unusually grooved, flat and shallow? Radar images from the Mars Reconnaissance Orbiter suggest huge glaciers of ice buried under Martian dust and dirt.
Mars Rover Curiosity Spots 'Ice Cream Sandwich' Rocks (Photos) The rocks, which lie at a site dubbed Garden City near the base of the kilometers) Mount Sharp, harbor ridges up to inches centimeters) tall that are composed of bright and dark mineral veins.