Mars missions scaled back in April because of sun
It's the Martian version of spring break: Curiosity and Opportunity, along with their spacecraft friends circling overhead, will take it easy this month because of the sun's interference.Full story
Mars surface has shifting plates, too
The surface of Mars has been shaped by plate tectonics in the recent past, a new study suggests, making the Red Planet perhaps a better candidate to host life than scientists had thought. Mars may even experience seismic shifts, or 'Marsquakes,' every million years or so. Full story
Elephant on Mars Sculpted by Lava Flow
The dried flood of lava over the surface of Mars has created the spitting image of the eye and trunk of an elephant. Full story
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Handout photo of the view of layered rocks on the floor of McLaughlin Crater on Mars
This view of layered rocks on the floor of McLaughlin Crater on Mars shows sedimentary rocks that contain spectroscopic evidence for minerals formed through interaction with water in this undated handout photo from NASA. The High Resolution Imaging Science Experiment camera on NASA's Mars Reconnais
Avalanche on Mars
An image from Mars Reconnaissance Orbiter's HiRISE camera shows an avalanche in progress in Mars' north polar region. Such avalanches could be caused by thawing ice, or meteor impacts, or marsquakes.
An image captured Jan. 29 by the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter shows Bonneville Crater, with the Spirit rover's landing platform at lower left.
An image captured Jan. 29 by the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter shows Bonneville Crater, with the Spirit rover's landing platform off to the side.
Bonneville Crater and Spirit landing platform
An image captured Jan. 29 by the High Resolution Imaging Science Experiment on NASA's Mars Reconnaissance Orbiter shows Bonneville Crater, with the Spirit rover's landing platform off to the side. Can you spot the platform? How about the Spirit spacecraft's heat shield?
Trough running down the center of a valley on Mars
NASA's Mars Reconnaissance Orbiter snapped this shot of a trough running down the center of a valley in the Tartarus Colles region of Mars. Scientists think the structure originally formed as a lava tube.
