Recently, scientists have discovered that the Earth's inner core thought to be in a solid state and also an unchanging sphere, may have undergone significant shape changes over the past 20 years.

A Mysterious Discovery in Earth’s Heart The Earth’s inner core, composed mainly of solid iron and nickel, is one of the most enigmatic regions of the planet.It has long been known that the ...

While most of us take the ground beneath our feet for granted, written within its complex layers, like the pages of a book, ...

The Earth's internal layers including the mantle, outer core and inner core. New research shows the inner core undergoes structural transformation likely caused by outer core disturbance.

Deeper still is the Earth's hot, liquid iron-nickel outer core, larger than the moon. Like a peach pit, at the very center is the inner core, some 1,500 miles across. The ways seismic waves reflect ...

The Earth's interior is composed of four layers ... in diameter. Although this inner core is white hot, the pressure is so high the iron cannot melt. The iron isn't pure—scientists believe ...

New research suggests that Earth's inner core, long believed to be stable, may be undergoing structural changes, including a possible shift in shape, shedding light on the mysteries beneath the ...

The outer core is liquid iron and nickel and generates the Earth's magnetic field. And the inner core is made of solid iron and nickel. The surface of the earth is constantly changing. It's the ...