Now scientists know that tectonic plates caused it ... saw the biggest burst of life ever and produced sea creatures that look more like the future than the past. A massive extinction then ...

Caltech researchers have developed a new method to study Earth's structure deep beneath the surface, at the boundary between Earth's brittle crust and the underlying mantle, a region called the ...

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...