Mars Exploration Rover team members with rover

NASA's Mars rover Opportunity edged 3.7 meters (12 feet) closer to the top of the "Duck Bay" alcove along the rim of "Victoria Crater" during the rover's 952nd Martian day, or sol (overnight Sept. ...

"Marathon Valley" on Mars opens to a view across Endeavour Crater in this scene from the Pancam of NASA's Mars rover Opportunity. The scene merges many exposures taken during April and May 2016. Th...

NASA's twin robot geologists, the Mars Exploration Rovers, will launch toward Mars in 2003 in search of answers about the history of water on Mars.

This image is an edited version of the last 360-degree panorama taken by the Opportunity rover's Pancam from May 13 through June 10, 2018. The version of the scene is presented in approximate true ...

NASA's Curiosity finds crystals, Opportunity celebrates her 5,000th day on Mars and the MarCO smallsats get solar arrays.

An elongated crater called "Spirit of St. Louis," with a rock spire in it, dominates this scene from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity.

NASA's Mars Exploration Rover Opportunity observed this outcrop on the "Murray Ridge" portion of the rim of Endeavour Crater as the rover approached the 10th anniversary of its landing on Mars.

The designated landing site for the second Mars Exploration Rover mission is Meridiani Planum, seen here in its geological context from NASA Viking images.

Chile's Atacama Desert is the driest place on Earth -- and a ready analog for Mars' rugged, arid terrain.

Download a PDF of the Spirit and Opportunity Lithograph.

This Aug. 15, 2014, scene from the Pancam on NASA's Mars Exploration Rover Opportunity looks back toward part of the west rim of Endeavour Crater that the rover drove along, heading southward, duri...

This false-color image shows a close-up look at the rock dubbed "Humphrey."

Mars is experiencing large regional dust storms over its northern hemisphere during the past week.

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...

Kris Capraro adds the finishing touches of realistic color to the model meteorite.

This graphic shows the ongoing contributions of NASA’s rovers and orbiters during a Martian dust storm that began on May 30, 2018.

This stereo view was taken by the panoramic camera on NASA's Mars Exploration Rover Spirit on the rover's 87th martian day, or sol (April 1, 2004), just after Spirit left "Bonneville Crater." It sh...

The aeroshell for Mars Exploration Rover 2 rests on end after rotation in the Payload Hazardous Servicing Facility.

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...

Opportunity captured this vista of "Victoria Crater" from the viewpoint of "Cape Verde," one of the promontories that are part of the scalloped rim of the crater.

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

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).

Spirit drove through the basin south of "Husband Hill," mainly driving over sand and dune deposits until it came across this spectacular example of basaltic rocks called "Lorre Ridge."

Cumulative driving by NASA's Mars Exploration Rover Opportunity surpassed marathon distance on March 24, 2015, as the rover neared a destination called "Marathon Valley," which is middle ground of ...

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.