Scientists have made a surprising discovery about the Earth's core that is almost like something out of science fiction. A ...

Scientists have theorized that perhaps this primordial helium is locked up in Earth's core, where it would remain safe from major disturbances and leak out to the surface only very slowly.

How hot is it? What's it made of? New discoveries are even calling into question whether the core is solid. A new study out this week said that the Earth's inner core is less solid than previously ...

Scientists have uncovered new information about the Earth's core ... stood out from the rest," Vidale said. "Later on, I'd realize I was staring at evidence the inner core is not solid." ...

A new study analyzing decades of seismogram data shows that physical changes can occur at the surface of the Earth’s inner core. This means ... waves curiously stood out from the rest ...

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

Earth’s solid inner core appears to have changed shape in the past 20 years or so, according to seismic wave measurements – but the behaviour of these waves could also be explained by other ...

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 ...

Figuring out how helium-3 got incorporated into the core during Earth's formation is very important for understanding when the planet formed, Olson said. Light gases like helium hung around in the ...