Seismologists peer into Earth's inner core

At the center the Earth is a solid metal ball, a kind of "planet within a planet," whose existence makes life on the surface possible. How Earth's inner core…

Earth's inner core may have stopped turning and could go into reverse, study suggests

Unveiling Earth's Deepest Secrets: The Mind-Blowing Truth About the Mysterious Inner Core!

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Earth's inner core may have stopped turning and could go into reverse, study suggests, News

This Month in Physics History

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

Scientists believe Earth might be hiding a fifth layer to its geologic makeup

Earth's inner core is actually 'textured'. Here's why this is a big deal

Fire Obsidian: The Rarest Type of Obsidian