Scientists are probing the secrets of Earth’s inner core—and how it saved life on our planet

What is Earth’s inner core and why do scientists want to study it?

'New hidden world' discovered in Earth's inner core

The Three Layers of the Earth | Crust, Mantle & Core

The three interior layers of the Earth: the crust, the mantle, and the core | Britannica

Inner Core of the Earth | Composition, Characteristics & Facts

Earth’s inner core less solid than previously thought — USC News

Study shows Earth’s inner core is dance floor for iron atoms

Earth’s inner core is less solid than previously thought - Department of Earth Sciences