Earth’s Inner Core Is Changing Shape

image via New Scientist

February 11, 2025, 4:00 PM

• •Earth's inner core is changing shape, scientists have found.
• •The discovery resolves a long-simmering controversy about what's happening at the heart of the planet.
• •The study helps to illuminate a dynamic inner Earth.

Earth's inner core is changing shape, scientists have found. The discovery resolves a long-simmering controversy about what's happening at the heart of the planet — which was long thought to be solid and unyielding. But it also opens new questions about how changes in the core could affect the length of our 24-hour day, Earth's magnetic field and more.

Read original article