Curiosity's Stunt Double

This full-resolution self-portrait shows the deck of NASA's Curiosity rover from the rover's Navigation camera.

This diagram shows how materials analyzed by ChemCam during the first 100 Martian days of the mission (Aug. 5, 2012, to Nov. 16, 2013) differed with regard to hydrogen content (horizontal axis) and...

An analysis of a drilled rock sample from NASA's Curiosity rover shows the presence of water, carbon dioxide, oxygen, sulfur dioxide, and hydrogen sulfide released on heating. The results analyzing...

The Mars Hand Lens Imager (MAHLI) camera on NASA's Curiosity rover is carried at an angle when the rover's arm is stowed for driving.

This map shows the route driven by NASA's Curiosity Mars in its approach to and April 1, 2014, arrival at a waypoint called "the Kimberley," which rover team scientists chose in 2013 as the locatio...

This computer-generated view depicts part of Mars at the boundary between darkness and daylight, with an area including Gale Crater beginning to catch morning light.

On Cape Canaveral Air Force Station in Florida, one of three lightning masts, at left, protects the 197-foot-tall United Launch Alliance Atlas V rocket as it rolls from the safety of the Vertical I...

At the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, the "back shell powered descent vehicle" configuration, containing NASA's Mars Science Laboratory rover, Curio...

This close-up view of a stone found in San Diego was taken by a testing twin -- the "life test unit" -- of the Mars Hand Lens Imager (MAHLI) camera for NASA's Mars Science Laboratory.

NASA's Curiosity Mars rover has collected its first sample from the base of Mount Sharp.

This stereo image from the Mast Camera (Mastcam) on NASA's Mars rover Curiosity shows a rock outcrop called "Hottah," cited as evidence for vigorous flow of water in a long-ago Martian stream. The ...

This video shows the mast of NASA's Curiosity rover deploying in a pre-launch test. (Audio: background and mechanical sounds only)Credit: NASA/JPL-Caltech

This photograph of the NASA Mars Science Laboratory rover, Curiosity, was taken during testing on June 3, 2011. The location is inside the Spacecraft Assembly Facility at NASA's Jet Propulsion Labo...

In the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, sections of an Atlas V rocket payload fairing engulf NASA's Mars Science Laboratory (MSL) as they close in aro...

This photograph of the NASA Mars Science Laboratory rover, Curiosity, was taken during mobility testing on June 3, 2011. The location is inside the Spacecraft Assembly Facility at NASA's Jet Propul...

This view shows the patch of veined, flat-lying rock selected as the first drilling site for NASA's Mars rover Curiosity.

Technicians at Lockheed Martin Space Systems, Denver, prepare the heat shield for NASA's Mars Science Laboratory, in this April 2011 photo. With a diameter of 4.5 meters (nearly 15 feet), this heat...

Radar Testing for Mars Science Labotatory

No bones about it! Seen by Mars rover Curiosity using its MastCam, this Mars rock may look like a femur thigh bone. Mission science team members think its shape is likely sculpted by erosion, eithe...

Two spacecraft engineers stand with a group of vehicles providing a comparison of three generations of Mars rovers developed at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The setting is JPL...

This image shows inclined beds characteristic of delta deposits where a stream entered a lake, but at a higher elevation and farther south than other delta deposits north of Mount Sharp. This sugge...

The main map here shows the assortment of landforms near the location of NASA's Curiosity Mars rover as the rover's second anniversary of landing on Mars nears.

This graphic shows the daily variations in Martian radiation and atmospheric pressure as measured by NASA's Curiosity rover.

This rectangular version of a self-portrait of NASA's Mars rover Curiosity combines dozens of exposures taken by the rover's Mars Hand Lens Imager (MAHLI) during the 177th Martian day, or sol, of ...

This image taken by NASA's Curiosity shows what lies ahead for the rover -- its main science target, Mount Sharp.