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Scientists discover onion-like layering in Earth’s inner core

Earth’s inner core has long challenged researchers because seismic waves do not move through it uniformly. Compressional ...
Hosted on MSN

Silicon and carbon could explain Earth’s onion-like inner core

Deep beneath our feet, far beyond the reach of drills or submersibles, Earth hides a solid metal heart that behaves in ways geophysicists have struggled to explain. New experiments now suggest that a ...
Morning Overview on MSN

Earth’s core may be layered like an onion, new study suggests

Deep beneath our feet, far beyond the reach of any drill, new research suggests that Earth’s center is far more intricate than a simple metal ball. Instead of a single solid sphere, the inner core ...
CNN

Earth’s core has slowed so much it’s moving backward, scientists confirm. Here’s what it could mean

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Deep inside Earth ...
Nature

Earth's Inner Core Dynamics and Structure

The Earth’s inner core, a solid sphere predominantly composed of iron and nickel, occupies a central role in our planet’s evolution and geodynamo processes. Although hidden beneath thousands of ...
EurekAlert!

Hidden chemistry of Earth’s core revealed by how it froze

Cartoon of the Earth with cutaway showing the mantle and inner and outer core. Magnetic field lines produced by the geodynamo extend into space and interact with the solar wind. The iron-rich core at ...
SpaceNews

Bouncing Seismic Waves Reveal A Distinct Layer In Earth’s Inner Core

An earthquake in Alaska causing seismic waves to penetrate the Earth's innermost inner core. Credit: Drew Whitehouse, Son Phạm and Hrvoje Tkalčic. Data captured from seismic waves caused by ...
Case Western Reserve University

Do we really know how Earth's inner core formed?

The solid inner core at the center of the Earth, surrounded by the outer core, mantle and crust. Here’s why: While it is well known that a material must be at or below its freezing temperature to be ...
JSTOR Daily

Two-step nucleation of the Earth’s inner core

Proceedings of the National Academy of Sciences of the United States of America, Vol. 119, No. 2 (January 11, 2022), pp. 1-6 (6 pages) The Earth's inner core started forming when molten iron cooled ...
CNN

‘It’s almost science fiction’: Scientists say the shape of Earth’s inner core is changing

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists who just ...