The East African Rift system represents a major zone of continental extension where the African Plate is slowly splitting into separate plates. Volcanism here is driven by upwelling mantle material ...

A volcano in Ethiopia that last erupted when human civilization was still in its infancy has roared back to life, sending ash into the sky and lava across a sparsely populated landscape. After roughly ...

Here’s what you’ll learn when you read this story: Though East Africa used to be more of a savanna than a desert, it has dried out over the millennia. With less water in the lakes, especially Lake ...

Dynamic planet. Earth's origin ; First land and oceans ; Earth's structure ; The core and mantle ; Earth's outer shell ; Tectonic plates ; Development of modern landmasses ; Earth's plates today ; ...