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

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

Iron Atoms Discovered on the Move in Earth’s Solid 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

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

Earth’s inner core actually wobbles like a pendulum  Recent seismic studies reveal that the solid inner core doesn’t spin at a constant speed — it oscillates back and forth over time, shifting its rotation relative to the rest of the planet. #science #geology #earthscience #research #innovation #TechFactsHub | Factspedia | Facebook

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

Earth’s Inner Core Is Changing Shape, Study Finds, Indicating Even More Dynamic Shifts Deep Within Our Planet