Humphrey on the Inside

Taken on June 10, 2018 (the 5,111th Martian day, or sol, of the mission) this “noisy,” incomplete image was the last data NASA's Opportunity rover sent back from Perseverance Valley on Mars. 

Artist's concept of controlling the rover from Earth, scientists drive the rover along Mars' surface inspecting geological features.

Late on Feb. 12, 2019, mission controllers at NASA’s Jet Propulsion Laboratory in Pasadena, California, sent the last commands to ask NASA’s Opportunity rover on Mars to call home. 

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

This is a close-up look at a rock grind by made with Spirit 's robotic arm on a rock target dubbed "Mazatzal."

NASA's Mars Exploration Rover Opportunity used its navigation camera to take the images combined into this stereo view of the rover's surroundings on the 958th sol, or Martian day, of its surface m...

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

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...

Researchers used NASA's Mars Exploration Rover Opportunity to find a water-related mineral on the ground that had been detected from orbit, and found it in the dark veneer of rocks on the rim of En...

Interact with this 3D model of a Mars Exploration Rover.

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...

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...

In this navigation camera raw image, NASA's Opportunity Rover looks back over its own tracks on Aug. 4, 2010. NASA's Jet Propulsion Laboratory, a division of Caltech in Pasadena, manages the Mars E...

While driving eastward toward the northwestern flank of "McCool Hill," Spirit's wheels churned up the largest amount of bright soil discovered so far in the mission.

NASA's Mars Exploration Rover Opportunity has been on the western rim of Endeavour Crater in Meridiani Planum for about two years.

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...

Researchers used the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity to capture this 10-second-exposure view of comet C/2013 A1 Siding Spring as it passed near Mars on Oct. 1...

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

This view combines frames taken by the panoramic camera on Opportunity's 652nd through 663rd Martian days, or sols (Nov. 23 to Dec. 5, 2005), at the edge of "Erebus Crater."

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...

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

This image is a cropped version of the last 360-degree panorama taken by the Opportunity rover's Pancam from May 13 through June 10, 2018. The panorama appears in 3D when seen through blue-red glas...

This 3-D cylindrical-perspective projection was constructed from a sequence of four images taken by the navigation camera onboard the Mars Exploration Rover Opportunity. The images were acquired...

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...

With a model of NASA's Opportunity rover behind him, John Callas, project manager of the Spirit and Opportunity Mars rovers, speaks about the rovers' achievements at the agency's Jet Propulsion Lab...