Curiosity Mars Rover reroutes away from 'gator-back' rocks

NASA's Curiosity Mars rover spent most of March climbing the "Greenheugh Pediment"—a gentle slope capped by rubbly sandstone. The rover briefly summited this feature's north face two years ago; now on the pediment's southern ...

Citizen scientists help map ridge networks on Mars

Over the last two decades, scientists have discovered unusual ridge networks on Mars using images from spacecraft orbiting the Red Planet. How and why the ridges formed and what clues they may provide about the history of ...

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