A new study shows that the inner core changed shape in just a few decades, challenging previous assumptions and revealing ...

Earth’s core is located below the middle layer called the mantle and the outer layer –or crust. It consists of two main parts ...

Earth's interior is made up of a series of layers that sit below the surface crust. In order of depth, these layers include the solid, but flowing mantle, the liquid outer core and the solid iron ...

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...