Three-fifths of Earth’s crust lies underwater, spread out along the seafloor. More than four cubic miles of ocean crust forms each year, constantly regenerating like new skin across the globe. This ocean crust arises along mid-ocean ridges — underwater mountain ranges that ripple along the ocean floor like jagged scars. These ridges line the boundaries […] … learn more→

The huge changes in the earth’s crust that shaped the face of the African continent are being re-defined according to research published in Nature Geoscience. The Great Rift Valley of East Africa – the birthplace of the human species – may have taken much longer to develop than previously believed. Lead author Dr Eric Roberts, […] … learn more→