Mars Exploration Rover team members with rover

This image shows the location of the rover-containing section of new color image in relation to Solander Point.

An artist's concept portrays a NASA Mars Exploration Rover on the surface of Mars.

This two-image blink shows a comparison of two exposure times in images from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity showing comet C/2013 A1 Siding Spring as it f...

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...

Opportunity's wheels dug more than 10 centimeters (4 inches) deep into the soft, sandy material of a wind-shaped ripple in Mars' Meridiani Planum region during the rover's 446th martian day, or sol...

The "Block Island" meteorite, reproduced at NASA’s Jet Propulsion Laboratory.

NASA's Mars Exploration Rover Spirit has been making tracks on Mars for seven months now, well beyond its original 90-day mission. The rover traveled more than 3 kilometers (2 miles) to reach the "...

This image shows segments of the western rim of Mars' Endeavour Crater. NASA's Mars rover Opportunity has explored parts of the rim since 2011. The view covers an area about 9 miles wide. It was ta...

The rover launch site at Cape Canaveral, Florida is the "Lightning Capital of the United States." Launching a spacecraft safely is challenging enough. Learn how the Force of Nature intercepted the ...

Suspended by an overhead crane in the Payload Hazardous Servicing Facility, the Mars Exploration Rover (MER) aeroshell is guided by workers as it moves to a rotation stand.

Since landing on Mars a year ago, NASA's pair of six-wheeled geologists have been constantly exposed to martian winds and dust.

Spirit examined spectacular layered rocks exposed at "Home Plate."

Locations of landers and rovers on Mars.

NASA's Mars Exploration Rover Opportunity used its navigation camera to capture the component images for this 360-degree view near the ridgeline of Endeavour Crater's western rim.

Wheel tracks from NASA's Mars rover Opportunity descending and departing the "Cape Tribulation" segment of Endeavour Crater's rim are visible in this April 21, 2017, view from the rover's Pancam. T...

A self-portrait of NASA's Mars Exploration Rover Opportunity taken by the rover's panoramic camera (Pancam) shows effects of recent winds removing much of the dust from the solar arrays.

A crowd of excited men and women who work on the Mars Exploration Rover mission are wearing white paper 3-D glasses with red and blue lenses to view some of the Spirit rover's first three-dimension...

The boulder-studded ridge in this scene recorded by NASA's Mars Exploration Rover Opportunity is "McClure-Beverlin Escarpment," informally named for Jack Beverlin and Bill McClure, engineers who on...

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 ...

After bouncing to a stop, the lander's petals unfold and the Mars Exploration Rover drives onto the surface of Mars.

As NASA's Mars Exploration Rover Opportunity neared the ninth anniversary of its landing on Mars, the rover was working in the 'Matijevic Hill' area seen in this view from Opportunity's panoramic c...

John Callas has been a leader of NASA's Mars Exploration Rover Project since the project's inception in 2000, and has been the project manager since 2006.

Scientists and engineers who worked on NASA’s Opportunity rover give mission leadership a round of applause in Mission Control at NASA’s Jet Propulsion Laboratory in Pasadena, California.

NASA Associate Administrator for Science Thomas Zurbuchen addressed the Opportunity rover team inside Mission Control at NASA’s Jet Propulsion Laboratory in Pasadena, California, a few hours before...

This 360-degree panorama was taken by "Dusty," a fully-working replica of NASA's Opportunity rover at the agency's Jet Propulsion Laboratory. The panorama was taken as part of a software test. Memb...