It looks like we might have to rewrite the textbooks. What we have always known about the Earth’s inner core has changed, and researchers have provided us with new information. Scientists recently ...

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 ...

Our history. Research shows there are little-known chapters in that history, deep within Earth's past. In fact, Earth's inner core appears to have another even more inner core within it.

The history of Earth’s climate is written within ice. Drilling vertically into ice and extracting a core is akin to measuring how old a tree is by counting a stump’s rings. But ice contains more ...