Earth's Solid Inner Core May Be a Little Bit Mushy

The Earth’s major layers consist of the thin rocky crust, the mantle (very hot but solid rock), the outer core (liquid iron), and the inner

Earth's Inner Core Wobbles Every 8.5 Years, Likely Influencing Its Magnetic Field!

Inner Core Found Mushy and Liquid; Not Pure Metallic Ball Than First Thought

Understanding Changes In Earth's Outer Core With The Help Of Seismic Waves

Is the Earth's outer core thick or thin? - Quora

Earth's layers: Exploring our planet inside and out

Scientists Reveal Superionic Secrets of Earth's Inner Core

Earth - Wikipedia

Structure of the Earth

Earth's renegade inner core may have 'paused' and reversed, scientists say