Nili Fossae Trough

This 360-degree vista was acquired on Aug. 5, 2016, by the Mastcam on NASA's Curiosity Mars rover as the rover neared features called "Murray Buttes" on lower Mount Sharp. The dark, flat-topped mes...

Apollo 11 astronaut Buzz Aldrin, left, and Erisa Hines of NASA's Jet Propulsion Laboratory in Pasadena, California, speak to members of the news media during a preview of the new "Destination: Mars...

This full-resolution color image from NASA's Curiosity Rover shows the gravel-covered surface of Mars. It was taken by the Mars Descent Imager (MARDI) several minutes after Curiosity touched down o...

This image from NASA's Mars Curiosity rover shows the "Amargosa Valley," on the slopes leading up to Mount Sharp on Mars.

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 ...

This is a closeup view of the wheels on the Scarecrow mobility rover. Scarecrow is Curiosity's test double that engineers use for testing such as this drive over dunes in the Dumont Dunes in Calif...

This oblique view of Gale crater shows the landing site and the mound of layered rocks that NASA's Mars Science Laboratory will investigate.

A rock outcrop dubbed "Missoula," near Marias Pass on Mars, is seen in this image mosaic taken by the Mars Hand Lens Imager on NASA's Curiosity rover.

The Curiosity engineering team created this view from images taken by NASA's Curiosity rover rear hazard avoidance cameras underneath the rover deck on Sol 0.

NASA’s Curiosity Mars rover used its Mast Camera, or Mastcam, to take this 360-degree panorama on March 23, 2022, the 3,423th Martian day, or sol, of the mission. The team has informally described ...

This image from the NASA Mars Reconnaissance Orbiter shows an impact scar on Mars made by pieces of the NASA Mars Science Laboratory spacecraft that the spacecraft shed just before entering the Mar...

This self-portrait of NASA's Curiosity Mars rover shows the vehicle at the "Big Sky" site, where its drill collected the mission's fifth taste of Mount Sharp. It was taken on Oct. 6, 2015, PDT.

This movie clip shows Phobos, the larger of the two moons of Mars, passing overhead, as observed by NASA's Mars rover Curiosity in a series of images centered straight overhead starting shortly aft...

Water, whether liquid or frozen, absorbs neutrons more than other substances. The Detector of Albedo Neutrons on the Mars Science Laboratory rover will use this characteristic to search for subsurf...

Gray cuttings from Curiosity's drilling into a target called "Mojave 2" are visible surrounding the sample-collection hole in this Jan. 31, 2015, image from the rover's MAHLI camera. This site in t...

This view of channels on Mars came from NASA's Mariner 9 orbiter. In 1971, Mariner 9 became the first spacecraft to enter orbit around Mars.

This panorama is a mosaic of images taken by the Mast Camera (Mastcam) on the NASA Mars rover Curiosity while the rover was working at a site called "Rocknest" in October and November 2012.

As part of a multi-mission campaign, NASA's Curiosity rover is observing Martian moon transits, the first of which involved the moon Phobos grazing the sun's disk.

This false-color map shows the area within Gale Crater on Mars, where NASA's Curiosity rover landed on Aug. 5, 2012 PDT (Aug. 6, 2012 EDT) and the location where Curiosity collected its first drill...

This image shows the wall of a scuffmark NASA's Curiosity made in a windblown ripple of Martian sand with its wheel.

This Dec. 2, 2016, view from the Navigation Camera (Navcam) on the mast of NASA's Curiosity Mars Rover shows rocky ground within view while the rover was working at an intended drilling site cal...

Engineers work on Opportunity (in its cruise configuration) in a cleanroom at Kennedy Space Center. A very important part of planetary protection is keeping contaminants from humans from riding abo...

This close-up image of a dust storm on Mars was acquired by the Mars Color Imager instrument on NASA's Mars Reconnaissance Orbiter on Nov. 7, 2007.

This color thumbnail image was obtained by NASA's Curiosity rover during its descent to the surface of Mars on Aug. 5 PDT (Aug. 6 EDT).

NASA's Mars rover Curiosity used the Navigation Camera (Navcam) on its mast to record this westward look on the 347th Martian day, or sol, of the rover's work on Mars (July 28, 2013).