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.

Scientists found that the inner core’s structure changes as it rotates. It deforms at its border, potentially accumulating more material in some areas and less in others — almost like creating hills ...

Why Trust Us? A new study analyzing decades of seismogram data shows that physical changes can occur at the surface of the Earth’s inner core. This means that the surface of the inner core could ...

When an electric current passes through a metal wire, a magnetic field forms around that wire (see diagram at right ... from the surface of the solid inner core. Although it may seem ...

Iron is one of the main elements found in the Earth's inner core ... both in the Earth's core or in other pressure-temperature regions of the iron phase diagram. "It would now be fascinating ...

LOS ANGELES — 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 ...