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

Scientists accidentally discover Earth's inner core is less solid than expected

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

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

Outer Core Composition | Overview & Characteristics

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

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

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