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Physical Properties of Iron Alloys in the Superionic State at Earth’s Core Conditions

February 24, 2026

An ice sample on the melter during continuous ice core chemical analyses in the lab (credit: Sylvain Masclin).

Scientists Find the First Ice Core From the European Alps That Dates Back to the Last Ice Age

The near surface of the inner core may be changing. (USC Graphic/Edward Sotelo)

Earth’s inner core is undergoing a transformation

$A new study of Earth's inner core used seismic data from repeating earthquakes, called doublets, to find that refracted waves, blue, rather than reflected waves, purple, change over time -- providing the best evidence yet that Earth's inner core is rotating. Credit: Michael Vincent$

Growing mountains or shifting ground: What is going on in Earth’s inner core?

Structure layers of the earth.

Scientists Find Iron ‘Snow’ in Earth’s Core

New Kind of Metal in the Deep Earth

December 21, 2011

Earth’s Core Deprived of Oxygen

November 28, 2011

First measurement of magnetic field in Earth’s core

September 15, 2011

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