Artist concept of Glaciers on Mars

This color view of the parachute and back shell that helped deliver NASA's Curiosity rover to the surface of the Red Planet was taken by the High-Resolution Imaging Science Experiment (HiRISE) came...

This image acquired on January 13, 2019 by NASAs Mars Reconnaissance Orbiter, shows a cluster of dust devil tracks on the flat ground below the south polar layered deposits, but none on the layers ...

Impact cratering and erosion combine to reveal the composition of the Martian underground by exposing materials from the subsurface.

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 ...

This image of Santa Maria Crater was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on Mars Reconnaissance Orbiter.

Two pairs of side-by-side, before and after images from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter illustrate changes in the shape of edges...

This map indicates geological units in the region of Mars around a smaller area where NASA's Mars Exploration Rover Opportunity has driven from early 2004 through late 2010.

The logistical challenge of getting a mission sent to Mars begins years before liftoff and culminates in the stressful days just prior to launch. This video highlights teams at JPL, Kennedy Space C...

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 picture of a crater resembling a "happy face" was taken in January 2008, by the Mars Reconnaissance Orbiter's Context Camera. The unnamed crater is almost 2 miles (about 3 kilometers) across.

In this HiRISE image taken within Capri Chasma, TES also detected the same crystalline gray hematite like that found at Meridiani Planum.

Phobos from 6,800 Kilometers

Mars Reconnaissance Orbiter Project Manager Jim Graf shakes the hand of JPL Associate Director for Programs, Project Formulation and Strategy Dr. Firouz Naderi. They are celebrating the spacecraft'...

The total distance driven by NASA's Mars rover Curiosity passed the one-mile mark a few days before the first anniversary of the rover's landing on Mars.

This image shows part of Ladon Vallis, a long outflow channel found in the Southern Highlands on Mars.

Recent small craters discovered by the High Resolution Imaging Science Experiment camera on NASA's Mars Reconnaissance Orbiter expose buried ice in the middle latitudes of Mars.

What is this enigmatic landform?

This image taken by NASA’s Mars Reconnaissance Orbiter shows ice sheets at Mars’ south pole. The spacecraft detected clays nearby this ice; scientists have proposed such clays are the source of rad...

The Mars Color Imager test view looks northward and includes the large Argyre Basin in Mars' southern hemisphere.

This image from NASA's Mars Reconnaissance Orbiter shows channels to the southeast of Hale crater on southern Mars. Taken by the orbiter's High Resolution Imaging Science Experiment (HiRISE) camera...

Nili Patera is a region on Mars in which dunes and ripples are moving rapidly. HiRISE continues to monitor this area every couple of months to see changes over seasonal and annual time scales.

The South Polar residual cap (the part that lasts through the summer) is composed of carbon dioxide ice.

This picture of a heart-shaped pit was taken on 26 February 2008 by the CTX camera aboard MRO. It is approximately 2 km long. The pit is one of many adjacent to Hydaspis Chaos, a jumbled topographi...

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...

This view of an inverted crater in the Arabia Terra region of Mars is among the images taken by NASA's Mars Reconnaissance Orbiter in early 2010 as the spacecraft approached the 100-terabit milesto...