ScienceMars Rover Finds Rocks Suggesting Red Planet Had Continental Crust A geologic find by the Curiosity rover suggests Mars in its distant past may have been much more like the Earth, researchers say. Early Mars may have had tectonic plates that formed continents, they suggest.by Jim Algar
ScienceNASA's New Horizons Spacecraft Makes Historic Pluto Flyby, Captures Most Detailed Image Yetby Don Melanson
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