The network of cracks in this Martian rock slab called "Old Soaker" may have formed from the drying of a mud layer more than 3 billion years ago.
The network of cracks in this Martian rock slab called "Old Soaker" may have formed from the drying of a mud layer more than 3 billion years ago. NASA/JPL-Caltech/MSSS
The network of cracks in this Martian rock slab called "Old Soaker" may have formed from the drying of a mud layer more than 3 billion years ago. NASA/JPL-Caltech/MSSS
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January 18, 2017 8:54 AM

NASA Curiosity rover examines possible mud cracks on Mars, shares pictures

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David Caraccio is a Sacramento native and online news editor at The Sacramento Bee. He's a graduate of San Diego State University. Caraccio enjoys keeping up on trending stories and finding videos worth watching. Reach him at dcaraccio@sacbee.com or 916-321-1125. Twitter: @DavidCaraccio.

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