“Currently, Earth is the only known planetary body that has robustly established plate tectonics of any kind,” said Alec Brenner, a member Harvard’s Paleomagnetics Lab about the tectonic plates that began pushing and pulling in a process that helped the planet evolve and shaped its continents into the ones that exist today as early … Continue reading “Planet in Transition” –Earth’s Plate Tectonics May Have Started 4 Billion Years Ago