The whole world used to be joined in one supercontinent called Pangaea. The Earth's hard outer layer (where we live) is called the crust. It is made up of large slabs called tectonic plates.

Scientists estimate it will take at least 5 to 10 million years for the Afar region to be fully submerged. When that happens, ...

Tremors as strong as magnitude five have raised concerns the volcano that forms Santorini's steep, picturesque cliffs, could ...