The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...

The study is published in the journal Nature. "This study is the first to demonstrate, using a physical model, that the first-order features of Earth's lower mantle structure were established four ...

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.