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 ...

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

For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet ...

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

LOS ANGELES — Scientists have just detected something unusual happening 3,000 miles beneath our feet. New research from an international study reveals that Earth’s inner core, a ball of mostly iron ...

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 ...

New research based on an iron and sulphur mixture mirroring the Red Planet’s inner core suggests that Mars’ deep interior could be solid, like Earth.

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

Geochemical evidence from laboratory experiments for a potential solid inner core at the center of Mars is reported in Nature ...

Studying Earth’s core presents a unique challenge for scientists. Obviously, sending a field team to the core is out of the ...