Earth's continental configurations have changed dramatically over its billions of years' history, transforming not only their positions across the planet, but also their topography as expansion and ...

Add Yahoo as a preferred source to see more of our stories on Google. The contradictory geology of the Apennines has long puzzled scientists. (Paolo Corsetti/Moment/Getty Images) Deep beneath our feet ...

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics. Researchers have made a new discovery that changes ...