Artist concept of Glaciers on Mars

Wrinkle Ridge in Solis Planum

This map shows the route driven by NASA's Mars rover Curiosity through the 56th Martian day, or sol, of the rover's mission on Mars (Oct. 2, 2012).

This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today.

The largest crater associated with a March 2012 impact on Mars has many smaller craters around it, revealed in this image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA...

This map shows unprecedented detail of local variations in Mars' gravitational pull on orbiters. The gravitational mapping has been applied to map variations in the thickness of the planet's crust ...

This image acquired on December 5, 2018 by NASAs Mars Reconnaissance Orbiter, shows ripples in the sand which tell us which way the wind was moving and how it was diverted around these rock formati...

This image acquired on October 5, 2018 by NASAs Mars Reconnaissance Orbiter, shows a new impact crater that formed between July and September 2018.

This map shows the route driven by NASA's Curiosity Mars rover from the "Bradbury Landing" location where it landed in August 2012 (the start of the line in upper right) to a major waypoint called ...

This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today.

This image, acquired by NASAs Mars Reconnaissance Orbiter, shows a new impact crater that has appeared on the surface of Mars, formed at most between September 2016 and February 2019.

Members of the Mars Reconnaissance Orbiter mission pose at NASA’s Jet Propulsion Laboratory, which manages the mission, on June 23, 2016.

This 3D, or stereo anaglyph, view shows the parachute and back shell that helped guide NASA's Curiosity to the surface of Mars. The view was produced from images taken by the High Resolution Imagin...

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 rainbow-colored map shows underground water ice on Mars. Cool colors are closer to the surface than warm colors; black zones indicate areas where a spacecraft would sink into fine dust; the ou...

The largest crater in this mosaic of images taken by the Context Camera on NASA's Mars Reconnaissance Orbiter is Endeavour Crater, which is 22 kilometers (14 miles) in diameter.

Crater in Thaumasia Fossae

This image maps the traverse of NASA's Mars rover Curiosity from "Bradbury Landing" to "Yellowknife Bay," with an inset documenting a change in the ground's thermal properties with arrival at a dif...

This set of images from cameras on NASA's Mars Reconnaissance Orbiter documents the appearance of a new cluster of impact craters on Mars.

This April 6, 2014, image from the Context Camera on NASA's Mars Reconnaissance Orbiter was taken as a follow-up to discovery of a possible 2012 impact scar in images from the orbiter's Mars Color ...

This image from NASA's Mars Reconnaissance Orbiter (MRO) shows the western wall of a small pit that is located along the floor of a larger trough in Coprates Catena. Dark layers line the bottom; li...

This area of Mars is shaped by lava flows from volcanic eruptions.

NASA's Mars Reconnaissance Orbiter dips into the thin martian atmosphere to adjust its orbit in this artist's concept illustration.

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 Orbi...

This map shows where NASA's Mars rover Curiosity has driven since landing at a site subsequently named "Bradbury Landing," and traveling to an overlook position near beside "Point Lake," in drives ...

With the Atlantic Ocean as a backdrop, an Atlas V launch vehicle, 19 stories tall, with a two-ton Mars Reconnaissance Orbiter on top, roars away from Launch Complex 41 at Cape Canaveral Air Force S...