Scarecrow Rover Wheel Closeup

Researchers have used the Alpha Particle X-ray Spectrometer (APXS) instrument on the robotic arm of NASA's Mars rover Curiosity to determine elemental compositions of rock surfaces at several targe...

This image shows Curiosity's Entry, Descent and Landing (EDL) "war room" and its staff. On the night of Aug. 5, 2012 PDT (early morning Aug. 6 EDT), 34 engineers gathered in this room at NASA's Jet...

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

NASA's Curiosity Mars rover used its Navigation Camera (Navcam) to capture this view partway back down a slope it climbed toward "Marias Pass" on lower Mount Sharp. The image was taken May 22, 2015...

Curiosity performs a series of firsts this week -- flexing its arm, laser-zapping a rock and rolling on its wheels.

Pictured here are some of the women working on the Curiosity rover. The picture was taken in the working "garage" where Curiosity's ground test rover is housed in the "Mars Yard," a simulated mart...

The Mastcam on NASA's Curiosity Mars rover captured this view of "Vera Rubin Ridge" about two weeks before the rover starting to ascend this steep ridge on lower Mount Sharp.

This map traces where NASA's Mars rover Curiosity drove between landing at a site subsequently named "Bradbury Landing," and the position reached during the mission's 130th Martian day, or sol, (De...

Nili Fossae Trough

This image shows part of the small pit or bite created when NASA's Mars rover Curiosity collected its second scoop of Martian soil at a sandy patch called "Rocknest."

Miyamoto Crater

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

This right-eye member of a stereo pair of images from the Navigation Camera (Navcam) on NASA's Curiosity Mars rover shows a full 360-degree view of the rover's surroundings at the site where it fir...

This graphic portrays two hypotheses about how the element boron ended up in calcium sulfate veins found within mudstone layers of Mars' lower Mount Sharp.

NASA's Curiosity rover uses SAM to make the most sensitive measurements ever to search for methane gas on the red planet.

Curiosity's EDL team release a timeline for mission milestones surrounding the landing of the Mars rover.

Researchers prepare for a test of the Chemistry and Camera (ChemCam) instrument that will fly on NASA's Mars Science Laboratory mission. The instrument uses a pulsed laser beam to vaporize a pinhea...

This pair of images taken a few minutes apart show how laser firing by NASA's Mars rover Curiosity removes dust from the surface of a rock.

Standing atop a payload transporter, the Atlas V rocket payload fairing containing NASA's Mars Science Laboratory (MSL) spacecraft rolls out of the Payload Hazardous Servicing Facility at Kennedy S...

This image show the MSL BUD team

The Chemistry and Camera (ChemCam) instrument on NASA's Mars rover Curiosity was used to check the composition of gray tailings from the hole in rock target "Cumberland" that the rover drilled on M...

This image shows a dry streambed on an alluvial fan in the Atacama Desert, Chile, revealing the typical patchy, heterogeneous mixture of grain sizes deposited together.

Preparations are under way to enclose NASA's Mars Science Laboratory in an Atlas V rocket payload fairing in this photograph from inside the Payload Hazardous Servicing Facility at NASA's Kennedy S...

Curiosity's Rear View, Linearized

Soil clinging to the right middle and rear wheels of NASA's Mars rover Curiosity can be seen in this image taken by the Curiosity's Navigation Camera after the rover's third drive on Mars.