NASA’s Mars 2020 rover will look for ancient life in a former river delta

The rover will cache rocks for a future mission to bring back to Earth

Mars crater

A RIVER RAN THROUGH IT  The next NASA Mars rover will land at Jezero crater, a former lake bed that includes the remains of an ancient river delta (seen above in this composite image from NASA's Mars Reconnaissance Orbiter).

JPL-Caltech/NASA, JHU-APL, MSSS

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