Earth's inner core is more like a ball of butter than a solid metal sphere, a new study suggests
Earth's Inner Core Isn't A Smooth Sphere After All: It's Textured
Quakes and blasts help scientists understand Earth’s elusive inner core
More evidence found showing the moon's inner core is solid, like Earth's
Readers ask about Earth’s inner core, plant movement and more
Earth’s inner core may be more complex than researchers thought
The Earth has an Even More Inner Core, and it's a Ball of Solid Metal
By measuring the different speeds at which seismic waves penetrate and pass through the Earth's inner core, researchers believe they've documented evidence of a distinct layer inside Earth known as the innermost inner core - a solid 'metallic ball' that sits within the centre of the inner core.
Earth’s Structure Has a Fifth Layer: Bouncing Seismic Waves Reveal Secrets of the Planet’s Inner Core
Earth's Inner Core May Have an Inner Core
Bouncing seismic waves reveal distinct layer in Earth's inner core
Earth's inner core may be slowing down, but “Nothing cataclysmic is happening,” says Hrvoje Tkalcic, a geophysicist at Australian National University. “The inner core is now more in sync with the rest of the planet than a decade ago when it was spinning a bit faster.”
Earth's inner core may be slowing down compared to the rest of the planet
No, Earth’s Inner Core Is Not Reversing The Direction Of Its Spin
Why Earth's Inner Core May Be Slowing Down
Study: Changes in Rotation of Earth’s Inner Core Occur on Decadal Scale
Earth's inner core may have started spinning other way
Earth's Inner Core May Have Started Rotating in the Opposite Direction
Earth's Inner Core May Right Now Be in The Process of Changing Direction
Earth’s Inner Core Paused, Then Reversed Its Spin. This Is Fine.