Mars Exploration Rovers: Rover 2 Driving Test

This view of a rock called "Block Island," the largest meteorite yet found on Mars.

The component images for this 360-degree panorama were taken by the navigation camera on NASA's Mars Exploration Rover Opportunity after the rover drove about 97 feet (29.5 meters) during the missi...

This May 29, 2016, image of a target called "Private Joseph Field" combines images from the microscopic imager on NASA's Mars Exploration Rover Opportunity with enhanced color information from the ...

A dance-step pattern is visible in the wheel tracks near the left edge of this scene recorded in stereo by the navigation camera on NASA's Mars Exploration Rover Opportunity during the 2,554th Mart...

Dr. Steve Squyres, principal investigator for the science instruments on both Mars Exploration Rovers, celebrates as the team witnesses the first images sent back from Spirit.

NASA's Mars Exploration Rover Opportunity has been working on Mars since landing inside Eagle Crater on Jan. 25, 2004 (Universal Time; evening of Jan. 24, Pacific Standard Time).

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

NASA's Mars Exploration Rover Opportunity recorded this stereo view of a crater informally named "Freedom 7" shortly before the 50th anniversary of the first American in space: astronaut Alan Shepa...

Gazing across the landscape of the "Columbia Hills" in Gusev Crater on Mars, scientists saw hints of tilted rock layers across the area traversed by the Spirit rover.

Engineers for NASA's Mars Exploration Rover Mission are completing assembly and testing for the twin robotic geologists at JPL.

"Marathon Valley" on Mars opens northeastward in this stereo version of a scene from the Pancam of NASA's Mars Exploration Rover Opportunity. The scene, recorded in April and May 2016, appears thre...

John Callas, project manager for NASA’s Mars Exploration Rovers mission, makes the call ending the last formal session via NASA’s Deep Space Network (DSN) for the Opportunity rover at Mars on Feb. ...

This 3-D image combines computer-generated models of the Mars Exploration Rover Spirit and its lander with real surface data from the rover's panoramic camera. It shows Spirit's position just after...

Download a PDF of the Spirit Poster.

This artist's concept animation depicts key events in NASA's Mars Exploration Rover mission, including launch; cruise; entry, descent & landing; egress; and, surface operations.

This image taken by the panoramic camera onboard Opportunity shows the rover's now-empty lander, the Challenger Memorial Station, at Meridiani Planum, Mars.

Transverse Impulse Rocket System (TIRS) Configuration

At a rock called "Clovis," the rock abrasion tool on Spirit cut a 9-millimeter (0.35-inch) hole. To the right of the drill hole is a "brush flower" of circles produced by scrubbing the surface of...

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 from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity shows where a rock called "Pinnacle Island" had been before it appeared in front of the rover in early Jan...

Download a PDF of the 2013 - 2014 Mars Calendar.

Late-afternoon shadows include one cast by the rover itself in this look toward the floor of Endeavour Crater by NASA's Mars Exploration Rover Opportunity. The rover's Navcam recorded the three com...

As part of its investigation of "Victoria Crater," Opportunity examined a promontory called "Cape Verde" from the vantage point of "Cape St. Mary," the next promontory clockwise around the crater's...

As NASA's Mars Exploration Rover Opportunity creeps farther into "Endurance Crater," the dune field on the crater floor appears even more dramatic

This Martian scene shows contrasting textures and colors of "Hinners Point," at the northern edge of "Marathon Valley," and swirling reddish zones on the valley floor to the left.