Shape changes in the core could hold clues about the forces deep inside Earth that power our magnetosphere, the invisible ...

Scientists have uncovered new information about the Earth's core: it may not be completely solid. Instead, its center may be more malleable than expected and has changed shape in recent years.

Her interest led her to work with the IBM 7030 computer to refine models of the Earth known as the geoid. This takes into account things like tidal forces and gravity to compute the true shape of ...