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 ...

Deep beneath the Central African Plateau, something vast is stirring. In Zambia's remote Kafue Rift, hot springs are ...

New research has dramatically reshaped our understanding of Earth’s early geological history, overturning traditional beliefs about how the planet’s first continents came into being. Researchers from ...

A fragment of a long-lost tectonic plate is sliding under the North American continent in the southern part of the Cascadia subduction zone, scientists have discovered. This leftover plate fragment ...