Sink or swim: The fate of sinking tectonic plates depends on their ancient tectonic histories / We are finally getting to grips with how plate tectonics started / New technique allows researchers to look deep within tectonic plates / Plate tectonics drive compositional evolution of the upper mantle, study finds / Do other planets have plate tectonics? / Did Earth's multicellular life depend on plate tectonics? / Mars had its own version of plate tectonics / Mars experienced a precursor to plate tectonics / Plate tectonics in the Archean: Observation versus interpretation / A mineral produced by plate tectonics has a global cooling effect, study finds