Adam Steltzner, a JPL engineer

In this image from NASA's Curiosity Mars rover looking up the ramp at the northeastern end of "Hidden Valley," a pale outcrop including drilling target "Bonanza King" is at the center of the scene.

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 ...

Testing of the cruise stage for NASA's Mars Science Laboratory in August 2010 included a session in a facility that simulates the environment found in interplanetary space.

Between 2006 and 2011, engineers from NASA's Jet Propulsion Laboratory in Pasadena, Calif., conducted a series of aerial tests on the radar that will be used to land NASA's Curiosity rover on Mars....

A green star marks the location of NASA's Curiosity Mars rover after a drive on the mission's 957th Martian day, or sol, (April 16, 2015). The map covers an area about 1.25 miles (2 kilometers) wid...

The Mars Reconnaissance Orbiter took this photo of the Curiosity rover in September 2015, as Curiosity was exploring the boundary between two rock units: the light-toned Murray Formation and the ov...

The two donut-shaped tracks make an infinity symbol, and mark the first two drives of NASA's Curiosity rover.

In the fourth season of “On a Mission” we’ll be transported to the Red Planet with all five of NASA’s Mars rovers.

At the Vertical Integration Facility at Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida, technicians use a lifting device to elevate a solid rocket motor (SRM) into an uprigh...

NASA's Mars rover Curiosity used a new technique, with added autonomy for the rover, in placement of the tool-bearing turret on its robotic arm during the 399th Martian day, or sol, of the mission.

Meet some of the women team members and hear about the exciting and challenging jobs they do in science and engineering while working with Mars rover Curiosity.

The Curiosity Cam live video feed allows the public to watch technicians assemble and test NASA's next Mars rover in a clean room at the Jet Propulsion Laboratory, Pasadena, Calif.

Mobility Systems Engineer, Matt Heverly, explains how Curiosity's mobility system works to teachers participating the Curiosity Educator Conference at JPL.

This artist concept features NASA's Mars Science Laboratory Curiosity rover.

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...

This photo shows 70 members of the Mars Science Laboratory team in Jet Propulsion Laboratory's Spacecraft Assembly Facility after they have prepared the spacecraft to go to a different area for the...

Engineers put the rover through thousands of hours of testing. They did drop tests; pull tests; drive tests; load tests, and many other tests to get Curiosity ready for launch.

The NASA and Mars Science Laboratory (MSL) logos appear above the American flag and Atlas logo on the payload fairing atop the 197-foot-tall United Launch Alliance Atlas V rocket.

Curiosity is at Point Lake on Mars and will snap pictures to send home. Find out more about the rover's 17 cameras, including why some shoot in color and others others take black-and-white images.

This March 25, 2014, view from the Mastcam on NASA's Curiosity Mars rover looks southward at the Kimberley waypoint. In the foreground, multiple sandstone beds show systematic inclination to the so...

Preparations are under way to enclose NASA's Mars Science Laboratory in an Atlas V rocket payload fairing in this photograph from inside the Payload Hazardous Servicing Facility at NASA's Kennedy S...

The location of a rock target called "Knorr" is indicated on this self-portrait of the Curiosity rover in the "Yellowknife Bay" area.

NASA's Mars rover Curiosity used its Mast Camera (Mastcam) to take the images combined into this mosaic of the drill area, called "John Klein."

This image shows a close-up of track marks from the first test drive of NASA's Curiosity rover. The rover's arm is visible in the foreground.

This view from NASA's Curiosity Mars Rover shows the downwind side of a dune about 13 feet high within the Bagnold Dunes field on Mars. The rover's Navigation Camera took the component images on De...