New research suggests that Earth's inner core may not be as solid as previously believed. Scientists studying seismic waveforms have discovered structural changes in the core, which challenge ...

Not only is Earth’s inner core spinning and growing, but it’s also changing shape, according to new research. Our planet’s [… ...

A new study of decades worth of seismogram data shows that the surface of Earth’s iron and nickel core is more malleable than ...

Scientists have found new evidence that the Earth’s inner core may be changing over time. A recent study by researchers at ...

First, a few basics. The Earth’s inner core, which is smaller than the moon, is solid iron and nickel. It’s surrounded by a layer of molten metal known as the outer core, followed by the Earth’s ...