Wegener didn't have an explanation for how continents could move around the planet, but researchers do now: Plate tectonics. We now think that Earth's outer shell is divided into large slabs of ...

“Plate tectonics jump-starts the evolution machine, and we think we understand why.” As the plates move, they create new landforms, which generate weather systems and new climates. Weathering ...

The convection currents move the plates. Where convection currents diverge near the Earth's crust, plates move apart. Where convection currents converge, plates move towards each other ...