Earth’s innermost layer is a 400-mile-wide ball of iron, new study suggests By Jackie Wattles, CNN 3 minute read Updated 10:35 PM EST, Tue February 21, 2023 Link Copied! This Blue ...

They found that the inner core was rotating in the same easterly direction as the Earth itself, albeit slightly faster than the other solid layers—the mantle and surface.

Chinese scientists believe Earth's core has reversed rotation 00:47. Scientists have long wondered what lies at the very center of the Earth, and the latest research is putting weight behind a ...