New research suggests that the Earth's solid inner core is softer and more dynamic than previously thought, changing ideas.

A bullet-speed experiment reveals that the Earth's inner core may be softer and more dynamic than previously thought.

Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C (10,800°F), comparable to the surface ...

A section of Earth’s mantle beneath Oman appears to be unusually warm, in what researchers say may be the first known “ghost plume” – a column of hot rock emanating from the lower mantle without ...