+ NASA Homepage + Mars Home Water-lain Sedimentary Rock on Mars - 04/16/07 Two sets of water-lain sedimentary rock units show how sediments were deposited long before the material became rock. More at MSSS >> View all Orbiter Updates >> Report Reveals Likely Causes of Mars Spacecraft Loss After studying Mars four times as long as originally planned, NASA's Mars Global Surveyor orbiter appears to have succumbed to battery failure. >> Dust Devils As Seen by MGS, MRO, and Viking Scientists have been observing dust devils on Mars for 30 years. Some dust devils tower more than 8 kilometers (5 miles) into the sky! >> NASA Images Suggest Water Still Flows in Brief Spurts on Mars NASA photographs have revealed bright new deposits seen in two gullies on Mars that suggest water carried sediment through them sometime during the past seven years. >> NASA's Mars Global Surveyor May Be at Mission's End NASA's Mars Global Surveyor has likely finished its operating career. The spacecraft has served the longest and been the most productive of any mission ever sent to the red planet. >> more features >> Mars Global Surveyor Highlights Animated Elevation Model of 'Victoria Crater' Animation of Three Separate Mars Global Surveyor Orbits more videos >> Last Updated: + Comments and Questions