Perseverance Mars rover finds surprising volcanic rocks in once lake-filled crater

The surprising discovery of volcanic, “igneous,” rocks by NASA’s Perseverance Mars rover on the Jezero Crater’s floor could be the key to unlocking Mars’ climate history and revealing exactly when it was wet and potentially habitable, according to a comprehensive analysis of findings made during Perseverance’s first year on the Red Planet.

“We were very excited to find igneous rocks,” Ken Farley, a professor of geochemistry at California Institute of Technology (Caltech), project scientist on the mission and lead author of the new paper, told

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