USC scientists have made a groundbreaking discovery about the nature of the Earth's enigmatic inner core, revealing for the first time that this 1,500-mile-wide ball of iron and nickel is changing.

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,

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