The idea that extreme heat could one day cause a mass extinction and end the dominance of humans is not as farfetched as it ...

A long time ago (way long), all of the earth's continents were squished together—one supercontinent and one superocean. You could basically walk from South America into Africa, or from Africa ...

They tried to understand why stable parts of continents sometimes move vertically. Also Read: Sunita Williams staring at a ...

Tectonic plates move - usually very slowly - and this broke Pangaea up into separate parts, eventually creating the continents and places we recognise today. Scotland - and The Great Glen - lie on ...

Earth is the only known planet which has plate tectonics today. The constant movement of these giant slabs of rock over the planet's magma creates continents - and may have even helped create life.