What Curiosity has yet to tell us about Mars

Curiosity selfie on lower Mount Sharp

FIVE YEARS ON MARS  Curiosity has done a lot more than take selfies in front of Gale crater, and with its mission extended through next fall, there’s still more science to come.

MSSS, JPL-Caltech/NASA

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After five years on Mars, the Curiosity rover is an old pro at doing science on the Red Planet.