Southern Meridiani

This movie clip shows the larger of Mars' two moons, Phobos, passing in front of the smaller Martian moon, Deimos, as observed by NASA's Mars rover Curiosity.

A group watching motions of an engineering model of the camera mast for NASA's Mars rover Curiosity on March 5, 2010, includes moviemaker James Cameron (right).

Members of NASA's Mars Science Laboratory team carefully steer the hoisted Chemistry and Mineralogy (CheMin) instrument during its June 15, 2010, installation into the mission's Mars rover, Curiosity.

NASA Mars Rover Curiosity at JPL, View from Front Left Corner

Curiosity Project Scientist Ashwin Vasavada gives a descriptive tour of the Mars rover's view in Gale Crater. The white-balanced scene looks back over the journey so far.

This May 29, 2015, view of a Martian sandstone target called "Big Arm" covers an area about 1.3 inches wide in detail that shows differing shapes and colors of sand grains in the stone. It is from ...

The total distance driven by NASA's Mars rover Curiosity passed the one-mile mark a few days before the first anniversary of the rover's landing on Mars.

At the bottom of this valley, called Gediz Vallis, is a mound of boulders and debris that are believed to have been swept there by wet landslides billions of years ago. The rover team hopes to get ...

The total distance driven by NASA's Mars rover Curiosity passed the one-mile mark a few days before the first anniversary of the rover's landing on Mars.

This heart-shaped granite rock was spotted in JPL's Mars Yard just in time for Valentine's Day. Engineers were driving the Earth-bound copy of the Curiosity rover, informally named Maggie, for tes...

Technicians at Lockheed Martin Space Systems, Denver, prepare the heat shield for NASA's Mars Science Laboratory, in this April 2011 photo. With a diameter of 4.5 meters (nearly 15 feet), this heat...

The "Shaler" outcrop is dramatically layered, as seen in this mosaic of telephoto images from the right Mast Camera (Mastcam) on NASA's Mars rover Curiosity.

This 11-minute animation depicts key events of NASA's Mars Science Laboratory mission, which will launch in late 2011 and land a rover, Curiosity, on Mars in August 2012. (Audio: mechanical sounds ...

Engineers at NASA's Jet Propulsion Laboratory in Pasadena, Calif., on the day of NASA's Curiosity rover landing on the Red Planet. The rover touched down on Mars the evening of Aug. 5 PDT (morning ...

Data from the Alpha Particle X-ray Spectrometer (APXS) instrument on NASA's Mars rover Curiosity show an unusual enrichment of silicon in the rocks dubbed "Wildrose" and "Bonanza King,"

Mars rover Curiosity, the centerpiece of NASA's Mars Science Laboratory mission, is coming together for extensive testing prior to its late 2011 launch.

Mars has two small, asteroid-sized moons named Phobos and Deimos.

This view of terrestrial rocks was taken by a testing twin -- the "life test unit" -- of the Mars Hand Lens Imager (MAHLI) camera on NASA's Mars Science Laboratory.

NASA's Curiosity rover and its parachute were spotted by NASA's Mars Reconnaissance Orbiter as Curiosity descended to the surface on Aug. 5 PDT (Aug. 6 EDT).

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).

This mosaic of images from Curiosity's Mast Camera (Mastcam) shows geological members of the Yellowknife Bay formation, and the sites where Curiosity drilled into the lowest-lying member, called Sh...

NASA's Mars Science Laboratory spacecraft has been fully stacked for flight in this photograph from inside the Spacecraft Assembly Facility at NASA's Jet Propulsion Laboratory, Pasadena, Calif.

During final stacking of NASA's Mars Science Laboratory spacecraft, the heat shield is positioned for integration with the rest of the spacecraft in this photograph from inside the Payload Hazardou...

The Chemistry and Camera (ChemCam) instrument on NASA's Mars rover Curiosity used its laser to examine side-by-side points in a target patch of soil, leaving the marks apparent in this before-and-a...

With students and NASA space shuttle astronaut Leland Melvin looking on, musical artist will.i.am posts a tweet soon after his song "Reach for the Stars" was beamed back from the Curiosity Mars rov...