This image shows blocks of bright, layered rock embedded in darker material that are thought to have been deposited by a giant flood that occurred ...
October 20, 2010
This image shows blocks of bright, layered rock embedded in darker material that are thought to have been deposited by a giant flood that occurred when Uzboi Valles breached the rim of Holden Crater.
The Russell Crater dune field is covered seasonally by carbon dioxide frost. This image shows the dune field after the frost has sublimated, or eva...
October 20, 2010
The Russell Crater dune field is covered seasonally by carbon dioxide frost. This image shows the dune field after the frost has sublimated, or evaporated directly from solid to gas. There are just a few patches left of the bright seasonal frost.
This artist's concept of NASA's Mars Reconnaissance Orbiter at Mars features one of its instruments -- the Mars Climate Sounder -- in action.
September 28, 2010
This artist's concept of NASA's Mars Reconnaissance Orbiter at Mars features one of its instruments -- the Mars Climate Sounder -- in action.
This artist's concept shows NASA's Mars Reconnaissance Orbiter mission over the red planet.
September 17, 2010
This artist's concept shows NASA's Mars Reconnaissance Orbiter mission over the red planet.
Wrinkle Ridge, Solis Planum
The Mars Climate Sounder instrument, shown here prior to its installation onto NASA's Mars Reconnaissance Orbiter for the mission's 2006 launch, wi...
August 26, 2010
The Mars Climate Sounder instrument, shown here prior to its installation onto NASA's Mars Reconnaissance Orbiter for the mission's 2006 launch, will get a similar-looking sibling at Mars in 2016.
The giant, 70-meter-wide antenna at NASA's Deep Space Network complex in Goldstone, Calif., tracks a spacecraft on Nov. 17, 2009.
August 25, 2010
The giant, 70-meter-wide antenna at NASA's Deep Space Network complex in Goldstone, Calif., tracks a spacecraft on Nov. 17, 2009.
The MRO Context Camera, CTX, at Malin Space Science Systems in 2004, before it was delivered and mounted on the spacecraft.
August 23, 2010
The MRO Context Camera, CTX, at Malin Space Science Systems in 2004, before it was delivered and mounted on the spacecraft.
The Mars Climate Sounder instrument, shown here prior to its installation onto NASA's Mars Reconnaissance Orbiter for the mission's 2006 launch, wi...
August 20, 2010
The Mars Climate Sounder instrument, shown here prior to its installation onto NASA's Mars Reconnaissance Orbiter for the mission's 2006 launch, will get a similar-looking sibling at Mars in 2016.
The Mars Climate Sounder instrument on NASA's Mars Reconnaissance Orbiter maps the vertical distribution of temperatures, dust, water vapor and ice...
August 20, 2010
The Mars Climate Sounder instrument on NASA's Mars Reconnaissance Orbiter maps the vertical distribution of temperatures, dust, water vapor and ice clouds in the Martian atmosphere as the orbiter flies a near-polar orbit.
At the center of this view of an area of mid-latitude northern Mars, a fresh crater about 6 meters (20 feet) in diameter holds an exposure of brigh...
August 04, 2010
At the center of this view of an area of mid-latitude northern Mars, a fresh crater about 6 meters (20 feet) in diameter holds an exposure of bright material, blue in this false-color image.
Terrain in Vastitas Borealis Region.
This area of Mars is shaped by lava flows from volcanic eruptions.
July 20, 2010
This area of Mars is shaped by lava flows from volcanic eruptions.
The High-Resolution Imaging Science Experiment aboard NASA's Mars Reconnaissance Orbiter provides this view of Olympus Mons, the tallest known volc...
July 12, 2010
The High-Resolution Imaging Science Experiment aboard NASA's Mars Reconnaissance Orbiter provides this view of Olympus Mons, the tallest known volcano in the solar system.
This map of the region around NASA's Mars Exploration Rover Opportunity shows the relative locations of several craters and the rover in May 2010.
June 29, 2010
This map of the region around NASA's Mars Exploration Rover Opportunity shows the relative locations of several craters and the rover in May 2010.