Add Yahoo as a preferred source to see more of our stories on Google. We're going back to science class to ask: When did Earth’s crust start breaking apart and moving? Well, scientists say they may ...

For the first time in history, scientists have observed the rupture of a tectonic plate in a subduction zone in real time. The study, published in the scientific journal Science Advances, was ...

Scientists have discovered an unusually thick mantle transition zone beneath the Lesser Antilles. This discovery sheds new light on how oceanic plates sink into the Earth's mantle. Variations in rock ...