Earth’s core is transforming, which could affect the length of our 24-hour day, Earth’s magnetic field, and more

The findings shed light on a deeply mysterious part of Earth that is key to life on our planet.

Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward, Earth’s inner core in changing shape.

Researchers are now examining surprising structural changes occurring within the Earth's core that may have slightly affected the length of each day. Although scientists have long recognized changes in the Earth's inner core,