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 ...

Mars panorama from Curiosity shows petrified sand dunes

Some of the dark sandstone in an area being explored by NASA's Curiosity Mars rover shows texture and inclined bedding structures characteristic of deposits that formed as sand dunes, then were cemented into rock.

Chess piece found in Jordan may be world's oldest

John Oleson with the University of Victoria has reported that a small object found in Jordan made of sandstone might be the oldest chess piece ever found. In his presentation at the American Schools of Oriental Research this ...

NASA's Perseverance Rover investigates intriguing Martian bedrock

NASA's Perseverance Mars rover has begun exploring an area the science team calls "Yori Pass" near the base of Jezero Crater's ancient river delta. They've been eager to explore the region for several months after spotting ...

NASA image: Reading the alphabet from space

NASA's Earth Observatory has tracked down images resembling all 26 letters of the English alphabet using only NASA satellite imagery and astronaut photography. In this image, the letter 'Y' is for yardangs, elongated landforms ...

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