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
ScienceChilean Island's Ups And Downs Could Help Scientists Learn More About Mega-Earthquakesby Ted Ranosa
ScienceEuropa’s plate tectonics: Jupiter’s moon may mirror Earth more than we thoughtby Rebecca Kaplan
ScienceHuge asteroid impact that left Earth in a daze now reconstructed by scientistsby James Maynard