Scientists have identified another possible commonality between Earth and Mars: a solid inner core. Scientists have ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

Previous research has found that the rotation of the inner core is slowing down relative to the rotation of the external ...

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 confirmed that the Moon has a solid inner core with a density similar to iron. The core's structure mirrors that of Earth's, with a fluid outer layer and solid inner core ...

Seismic wave data previously suggested the Earth’s hot inner core is slowing its spin. Now, researchers say it’s also deforming around the edges ...

Scientists have uncovered new information about the Earth's core: it may not be completely solid. Instead, its center may be ...

Earth appears to be a chill blue planet, but deep down, it’s really a metalhead. Its outer core is mostly molten iron (and ...

Earth’s inner core is changing shape, scientists have found. The discovery resolves a long-simmering controversy about what’s happening at the heart of the planet — which was long thought to ...