Holden Crater

An outcrop visible as light-toned streaks in the lower center of this image has been chosen as a place for NASA's Mars rover Curiosity to study for a few days in September 2013.

This May 25, 2015, view from the Curiosity rover's Mastcam shows a site where two different types of bedrock meet near "Marias Pass" on Mount Sharp. Pale mudstone in the foreground is like bedrock ...

Clouds drift across the sky above a Martian horizon in this accelerated sequence of enhanced images taken on July 17, 2017, by the Navcam on NASA's Curiosity Mars rover.

NASA's Mars rover Curiosity drove 6.2 feet (1.9 meters) during the 100th Martian day, or sol, of the mission (Nov. 16, 2012). The rover used its Navigation Camera after the drive to record the imag...

Sheri Klug Boonstra, director of the Mars Education Program at Arizona State University, leads a group of teachers through an analytical exercise.

This is a view of the third (left) and fourth (right) trenches made by the 1.6-inch-wide (4-centimeter-wide) scoop on NASA's Mars rover Curiosity in October 2012.

A lunar eclipse, a solar eclipse and Mars has a close encounter with a comet.

Half of the Atlas V payload fairing for NASA's Mars Science Laboratory (MSL) mission is lifted into a vertical position in the airlock of the Payload Hazardous Servicing Facility at NASA's Kennedy ...

Scientists are overjoyed after seeing the Curiosity rover’s first initial images showing a wheel resting on the Martian soil.

The NASA Mars rover Curiosity used its Navigation Camera (Navcam) during the mission's 120th Martian day, or sol (Dec. 7, 2012), to record the seven images combined into this panoramic view.

Mars Science Laboratory team member Jessica Samuels gives a progress report on Curiosity's first days on Mars.

A view from the "Kimberley" formation on Mars taken by NASA's Curiosity rover. The strata in the foreground dip towards the base of Mount Sharp, indicating the ancient depression that existed befor...

This 3D view of the calibration target for the Mars Hand Lens Imager (MAHLI) aboard NASA's Mars rover Curiosity was assembled from two images taken by that camera during the 34th Martian day, or so...

This map shows the route driven by NASA's Mars rover Curiosity through the 43rd Martian day, or sol, of the rover's mission on Mars (Sept. 19, 2012).

In the Vertical Integration Facility at Space Launch Complex 41, the payload fairing containing NASA's Mars Science Laboratory spacecraft was attached to its Atlas V rocket on Nov. 3, 2011.

NASA's Mars Reconnaissance Orbiter has clocked more than a decade of service at the Red Planet and has yielded scientific discoveries and magnificent views of a distant world. These images taken by...

This illustration provides a comparison for how big the moons of Mars appear to be, as seen from the surface of Mars, in relation to the size that Earth's moon appears to be when seen from the surf...

This set of graphs shows variation in the amount and the depth of water detected beneath NASA's Mars rover Curiosity by use of the rover's Dynamic Albedo of Neutrons (DAN) instrument at different p...

The Mast Camera (Mastcam) on NASA's Mars rover Curiosity showed researchers interesting color and patterns in this unnamed rock imaged during the 27th Martian day, or sol, of the rover's work on Ma...

This set of images from Mars shows the handiwork of different tools on three missions to the surface of Mars.

A screen capture from NASA's new Experience Curiosity website shows the rover in the process of taking its own self-portrait.

Follow along on a tour of the landing scene of NASA's Curiosity rover in this video made up of images from two NASA orbiters. The movie begins with a global image from NASA's Mars Global Surveyor, ...

This artist concept features NASA's Mars Science Laboratory Curiosity rover, a mobile robot for investigating Mars' past or present ability to sustain microbial life.

Employees gathered one level above monitor the progress of the protective mesh container known as the "gorilla cage," holding the multi-mission radioisotope thermoelectric generator (MMRTG) for NAS...

Dr. John Holdren, Director of the Office of Science and Technology Policy, 3rd from left, meets with members of the NASA Mars Science Laboratory team on Thursday, Aug. 1, 2013, at the Eisenhower Ex...