Deep within Earth’s core, scientists are uncovering signs of a hidden structure that challenges long-standing models of the planet’s interior.

It’s a strange tale of two hemispheres.

Scientists have mapped how Earth’s deepest mantle is being deformed—and the results point to long-lost tectonic plates buried ...

Researchers have found evidence for a distinct 'innermost inner core' at the center of Earth, challenging the long-held four-layer model of the planet’s structure. Seismic wave analysis reveals a ...

Case Western Reserve University scientist part of team reversing view of how minerals behave deep below our planet’s surface; could apply to other planet studies Case Western Reserve University ...

Is Earth’s core a solid or a liquid? Yes. The mysteries of our own planet’s interior have, in many ways, been harder to crack ...

PCWorld reports that scientists discovered Earth’s inner core has slowed its rotation relative to the crust, even appearing to stop moving in a phenomenon that occurs every 35 years. This iron-nickel ...

Introductory remarks -- Main magnetic field of the Earth -- Theory of steady dynamo -- Stability of the dipole field -- Theory of non-steady dynamo -- Geomagnetic secular variation -- Theory of ...