Artist's Concept of Rover on Mars

More than 1.5 years into their exploration of Mars, both of NASA's Mars Exploration Rovers continue to send a cornucopia of images to Earth.

Mars Exploration Rover parachute deployment testing in the world's largest wind tunnel at NASA's Ames Research Center, Moffet Field, Calif.

This artist's illustration shows NASA's four successful Mars rovers (from left to right): Sojourner, Spirit and Opportunity, and Curiosity. The image also shows the upcoming Mars 2020 rover and a h...

This mosaic image shows an extreme close-up of round, blueberry-shaped formations in the martian soil near a part of the rock outcrop at Meridiani Planum called Stone Mountain

Download a PDF of the Explore Mars Sticker.

Take JPL Education's Pi Day challenge featuring real-world questions about NASA spacecraft -- then tweet your answers to @NASAJPL_Edu using the hashtag #PiDay. Answers will be revealed on March 16.

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...

Transverse Impulse Rocket System (TIRS) Configuration

The left image shows an extreme close-up of round, blueberry-shaped formations in the martian soil near a part of the rock outcrop at Meridiani Planum called Stone Mountain.

Find out how the Mars Exploration Rover team traversed the Red Planet, examined the diverse environment and transformed our understanding of Mars.

Rover 2 is driven over staggered ramps to test the suspension's range of motion.

The first episode documents the hurdles leading up to both launches. From Mother Nature being uncooperative to a problem with the cork insulation on the rocket, lift-off was no small feat. Ultimate...

Artist's concept of rover using the rock abrasion tool (RAT) on the robotic arm grinds away the rock's surface, allowing scientific instruments to analyze the rock's interior.

This section from a panorama that NASA's Mars Exploration Rover Spirit acquired in October 2005 from the top of "Husband Hill" presents the view toward the south from that summit.

NASA's Mars Exploration Rover Opportunity drove about 12 feet (3.67 meters) on May 8, 2012, after spending 19 weeks working in one place while solar power was too low for driving during the Martian...

This 360-degree stereo anaglyph of the terrain surrounding NASA's Mars Exploration Rover Spirit on the 147th martian day of the rover's mission inside Gusev Crater, on June 1, 2004, was assembled f...

This three-dimensional anaglyph stereo view was created from navigation camera frames that NASA's Mars Exploration Rover Opportunity acquired at about 4:05 p.m., local solar time on Mars, on sol 10...

Drive along with NASA’s Opportunity Mars rover and hear the voices of scientists and engineers behind the mission. Designed to run for 90 days, the exploration spanned more than 15 years from 2004 ...

This panorama is the view NASA's Mars Exploration Rover Opportunity gained from the top of the "Cape Tribulation" segment of the rim of Endeavour Crater. The rover reached this point three weeks be...

This image superimposes an artist's concept of the Mars Exploration Rover Opportunity on the rim of Victoria Crater. It is done to give a sense of scale.

Donc, vous voulez étudier Mars avec un atterrisseur ou un rover, mais où l’envoyer exactement? Apprenez comment les scientifiques et ingénieurs abordent cette question dans cette vidéo de 60 second...

This graphic compares atmospheric opacity in different Mars years from the point of view of NASA’s Opportunity rover. 

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

This synthetic image of the Spirit Mars Exploration Rover in the "Columbia Hills" was produced using "Virtual Presence in Space" technology.

This stereo vista from the panoramic camera (Pancam) of NASA's Mars Exploration Rover Opportunity catches "Pillinger Point," on the western rim of Endeavour Crater, in the foreground. The image com...