Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has intrigued ...

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.

Deep beneath the surface of our planet lies the Earth’s core, a solid ball of iron under crushing pressure. Now, however, scientists conducting laboratory experiments have found evidence suggesting it ...

Deep beneath Hawaii’s volcanic islands, a chemical mystery is rising to the surface. Within flows of molten rock, scientists have uncovered evidence of something unexpected—an ancient signature with ...

Gold and other precious metals are leaking from Earth’s core into the layers above, eventually making their way up to the surface during the formation of volcanic islands like Hawaii, a new study ...