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 that sits some 3,000 miles (4,828 kilometers) below the surface.

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 thought.

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

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

Scientists have uncovered new information about the Earth's core: it may not be completely ... to a better understanding of the inner workings of our planet and how life here will evolve over ...

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

The discovery that inert helium can form bonds with iron may reshape our understanding of Earth’s history. Researchers from ...

If true, it could affect heat flow and convection deep within our planet in ways that could influence ... now covers up to 30 ...

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a Sun-like star, ...

A rare isotope from the early solar system may be locked in Earth's core, revealing insights into planetary formation ...

Well, the verdict is in. The Moon is not made of green cheese after all.

A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of ...