Curiosity rover finds first evidence of ancient sandstorm on Mars

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Curiosity Finds Evidence of an Ancient Sandstorm

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NASA/JPL-Caltech/MSSS

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Curiosity Finds Evidence of an Ancient Sandstorm

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Billions of years ago, an hours-long Martian sandstorm blew so intensely that sand ripples began to climb upon one another as they moved across the surface. These layers of sediment eventually hardened into the multilayered rocks seen in this image, which was taken by NASA’s Curiosity rover on Dec. 12, 2024, the 4,391st Martian day, or sol, of the mission.

Scientists believe this is the first evidence of climbing wind ripple strata on the Red Planet. Spotted at a location nicknamed “Jawbone Canyon,” these rocks are a rare time capsule preserving a dramatic wind event early in Martian history. A paper detailing the discovery was featured on the cover of the journal Geology on July 1, 2026.

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