Dark, narrow streaks on Martian slopes such as these at Horowitz Crater are inferred to have been formed by seasonal flow of water on contemporary ...
September 28, 2015
Dark, narrow streaks on Martian slopes such as these at Horowitz Crater are inferred to have been formed by seasonal flow of water on contemporary Mars. Detection of hydrated salts at the streaks supports that interpretation. The features are call...
Dark narrow streaks, called "recurring slope lineae," emanate from the walls of Garni Crater on Mars, in this view constructed from observa...
September 28, 2015
Dark narrow streaks, called "recurring slope lineae," emanate from the walls of Garni Crater on Mars, in this view constructed from observations by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissanc...
Dark, narrow streaks on Martian slopes such as these at Hale Crater are inferred to have been formed by seasonal flow of water on contemporary Mars...
September 28, 2015
Dark, narrow streaks on Martian slopes such as these at Hale Crater are inferred to have been formed by seasonal flow of water on contemporary Mars. Detection of hydrated salts at the streaks supports that interpretation. The features are called &...
This view combines information from two instruments on NASA's Mars Reconnaissance Orbiter to map color-coded composition over the shape of the grou...
September 02, 2015
This view combines information from two instruments on NASA's Mars Reconnaissance Orbiter to map color-coded composition over the shape of the ground in a small portion of the Nili Fossae plains region of Mars' northern hemisphere.
Researchers estimating the amount of carbon held in the ground at the largest known carbonate-containing deposit on Mars utilized data from three d...
September 02, 2015
Researchers estimating the amount of carbon held in the ground at the largest known carbonate-containing deposit on Mars utilized data from three different NASA Mars orbiters.
Researchers estimating the amount of carbon held in the ground at the largest known carbonate-containing deposit on Mars utilized data from three d...
September 02, 2015
Researchers estimating the amount of carbon held in the ground at the largest known carbonate-containing deposit on Mars utilized data from three different NASA Mars orbiters.
Among the many discoveries by NASA's Mars Reconnaissance Orbiter since the mission was launched on Aug. 12, 2005, are seasonal flows on some steep ...
August 10, 2015
Among the many discoveries by NASA's Mars Reconnaissance Orbiter since the mission was launched on Aug. 12, 2005, are seasonal flows on some steep slopes, possibly shallow seeps of salty water. This July 21, 2015, image from the orbiter's HiRISE c...
This series of images from NASA's Mars Reconnaissance Orbiter successively zooms into "spider" features -- or channels carved in the surfac...
July 22, 2015
This series of images from NASA's Mars Reconnaissance Orbiter successively zooms into "spider" features -- or channels carved in the surface in radial patterns -- in the south polar region of Mars.
NASA is advancing the Journey to Mars by starting the conversation about where humans may one day land on the Red Planet.
June 29, 2015
NASA is advancing the Journey to Mars by starting the conversation about where humans may one day land on the Red Planet.
More evidence of a dynamic Mars is revealed at the edge of a martian dune field.
June 17, 2015
More evidence of a dynamic Mars is revealed at the edge of a martian dune field.
Researchers have found deposits of impact glass preserved in Martian craters, including Alga Crater, shown here.
June 08, 2015
Researchers have found deposits of impact glass preserved in Martian craters, including Alga Crater, shown here.
This impact crater appears relatively recent as it has a sharp rim and well-preserved ejecta, the material thrown out of the crater when a meteorit...
June 03, 2015
This impact crater appears relatively recent as it has a sharp rim and well-preserved ejecta, the material thrown out of the crater when a meteorite hit Mars.
MRO took this image of layered, sedimentary rocks on the floor of an impact crater north of Eberswalde Crater. Billions of years ago there may hav...
May 20, 2015
MRO took this image of layered, sedimentary rocks on the floor of an impact crater north of Eberswalde Crater. Billions of years ago there may have been a lake in this crater.
The South Polar residual cap (the part that lasts through the summer) is composed of carbon dioxide ice.
May 20, 2015
The South Polar residual cap (the part that lasts through the summer) is composed of carbon dioxide ice.
Although the season is late spring, carbon dioxide ice still covers much of the surface at this high latitude site.
May 11, 2015
Although the season is late spring, carbon dioxide ice still covers much of the surface at this high latitude site.