Humphrey on the Inside

This stereo view shows the "Murray Ridge" portion of the western rim of Endeavour Crater on Mars. It appears three-dimensional when seen through blue-red glasses with the red lens on the left. NASA...

Results from Opportunity and Curiosity show Mars could have supported life.

This kickoff of a new Mars video series covers Opportunity's 14th anniversary on the Red Planet, Curiosity's spectacular panorama and ice deposits spotted by an orbiter.

As Opportunity crept farther into "Endurance Crater," the dune field on the crater floor appears even more dramatic, as seen in this false-color image.

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 ...

This 360-degree view from a site dubbed "Engineering Flats" shows the rover's shadow.

Spirit discovered this remarkable patch of bright, loose soil while driving toward "Home Plate" along the floor of the basin south of "Husband Hill" in Gusev Crater.

This image from the panoramic camera on NASA's Mars Exploration Rover Opportunity shows a rock called "Chocolate Hills," which the rover found and examined at the edge of a young crater called "Con...

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...

A region known as "Cape York" on the western rim of Endeavour Crater, where NASA's Mars Exploration Rover Opportunity worked for 20 months, is highlighted in these images.

This color image taken by the panoramic camera onboard the Mars Exploration Rover Opportunity shows the part of the rock outcrop dubbed Stone Mountain at Meridiani Planum, Mars.

The designated landing site for the first Mars Exploration Rover mission is Gusev Crater, seen here in its geological context from NASA Viking images.

On the horizon in the right half of this panoramic view is an area of Mars informally named "Matijevic Hill," in commemoration of an influential rover-team leader.

Cindy Oda stood up to share her experience working with NASA’s Opportunity rover during a team meeting in Mission Control at NASA’s Jet Propulsion Laboratory in Pasadena, California.

This cylindrical-projection view was created from navigation camera images that NASA's Mars Exploration Rover Spirit acquired on sol 122 (May 7, 2004).

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...

The flat-faced rock near the center of this image is a target for contact investigation by NASA's Mars Exploration Rover Opportunity in early March 2015.

In the Payload Hazardous Servicing Facility, an overhead crane lowers the Mars Exploration Rover (MER) aeroshell toward a rotation stand.

NASA's Mars Exploration Rover Opportunity recorded this view just after reaching the summit of "Cape Tribulation," on the western rim of Endeavour Crater, on Jan. 6, 2015, the 3,894th Martian day, ...

This map show a portion of Endeavour Crater's western rim that includes the "Marathon Valley" area investigated intensively by NASA's Mars Exploration Rover Opportunity in 2015 and 2016, and a flu...

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 self-portrait of NASA's Mars Exploration Rover Opportunity taken by the rover's panoramic camera (Pancam) in late March 2014 shows effects of recent winds removing much of the dust from the rover...

The second Mars Exploration Rover, Opportunity, was the first NASA mission lifted on what is referred to as a Delta II "heavy" rocket.

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...

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...