Earth's inner core is solid, seismic waves reveal

It's amazing how we can learn things about the very depths of our planet.

Scientists confirm existence of a fifth layer in Earth's core

Earth's structure and schematic picture of travelling seismic waves

Is Earth's core lopsided? Strange goings-on in our planets interior.

Earth's inner core seems to be slowing its spin - The Washington Post

A deepdive into the innermost inner core of the Earth - Scimex

Earth's Inner Core Might Be Squishy

Earth's inner core is 'superionic', a state of matter somewhere between solid and liquid, study suggests - ABC News

Seismologists Probe Earth's Inner Core - College of Mines and Earth Sciences - The University of Utah

Earth's core: what lies at the centre and how do we know? - BBC Science Focus Magazine

News on ZME Science

What's Inside Earth's Inner Core? Seismic Waves Reveal an Innermost Core. - The New York Times