Drainage Near Crater in Terra Sabaea

Ancient floods carved Kasei Valles

This image acquired on December 8, 2018 by NASAs Mars Reconnaissance Orbiter, shows erosion of the surface revealing several shades of light toned layers, likely sedimentary deposits.

Crater in Thaumasia Fossae

This image shows part of the floor of an impact crater on the northern rim of the giant Hellas Basin.

This fresh crater is located in the northern mid-latitudes. It is designated as fresh because of its very sharp rim.

These two frames were taken of the same place on Mars by the same camera before (left) and after some images from the camera began showing unexpected blur. The images are from the HiRISE camera on ...

This graph shows changes in apparent brightness of comet C/2013 A1 Siding Spring as it approached and receded from Mars, as seen by the High Resolution Imaging Science Experiment (HiRISE) camera on...

A towering dust devil casts a serpentine shadow over the Martian surface in this image acquired by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.

NASA's Opportunity Mars rover, working on Mars since January 2004, passed marathon distance in total driving on March 24, 2015. This map shows the rover's entire traverse from landing to that point.

This 3D, or stereo anaglyph, view shows NASA's Mars rover Curiosity where it landed on Mars within Gale Crater, at a site now called Bradbury Landing. The view was produced from images taken by the...

The bright landing platform left behind by NASA's Mars Exploration Rover Opportunity in 2004 is visible inside Eagle Crater, at upper right in this April 8, 2017, observation by NASA's Mars Reconna...

This map shows the route driven by NASA's Mars rover Curiosity through the 43rd Martian day, or sol, of the rover's mission on Mars (Sept. 19, 2012).

Icy Layers and Climate Fluctuations near the Martian North Pole

This artist's concept of NASA's Mars Reconnaissance Orbiter at Mars features one of its instruments -- the Mars Climate Sounder -- in action.

This movie sequence of images from NASA's Mars Reconnaissance Orbiter (MRO) shows comet C/2013 A1 Siding Spring before and after its close pass by Mars in October 2014. False color enhances subtle ...

The material in the upper portion of this image, perhaps hardened volcanic ash deposits, is being eroded into parallel long, thin ridges called yardangs by the strong prevailing winds.

This image acquired on December 3, 2018 by NASAs Mars Reconnaissance Orbiter, shows a cross-section of a dune field. Dune shape depends on several factors, including the amount of sand present and ...

This HiRISE image covers the southwest portion of the terraces and floor of Holden Crater situated in southwest Margaritifer Terra.

This image is an artist's concept of a view looking down on NASA's Mars Reconnaissance Orbiter. The spacecraft is pictured using its Shallow Subsurface Radar instrument (SHARAD) to "look" under the...

Download a PDF of the Mars Reconnaissance Orbiter Launch Press Kit.

This image acquired on August 1, 2018 by NASAs Mars Reconnaissance Orbiter, shows the Martian south polar cap full of pits that make it look like Swiss cheese.

Artist's concept of Mars Reconnaissance Orbiter approaching Mars.

This image shows the landing site of NASA's Curiosity rover and destinations scientists want to investigate.

This image acquired on January 23, 2019 by NASAs Mars Reconnaissance Orbiter, shows the western portion of a well-preserved (recent) impact crater in Ladon Basin.

From one side of the country to the other, through a snowstorm and other delays, the Mars Reconnaissance Orbiter made its way to Kennedy Space Center in Florida for final processing and rehearsals ...