The Earth's inner core was once liquid, but has turned solid over time. As the Earth gradually cools, the inner core expands outwards at the surrounding iron-rich liquid "freezes." That said, it is ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's core is rich with gold, and it's leaking out through the mantle and into the crust, new research has found. A new study of ...

Geochemical studies of volcanic rocks from Baffin Island, Canada, and Iceland suggest that some of the water dating back to ...

Earth scientists have modeled that at the very centre of our planet is a solid sphere made largely of iron and nickel. But the Earth’s core doesn’t act like we’d expect a Moon-sized iron ball to. A ...

A doughnut-shaped region thousands of kilometers beneath our feet within Earth's liquid core has been discovered by scientists from The Australian National University (ANU), providing new clues about ...

Researchers at Göttingen University have uncovered new evidence that some of Earth's most precious metals began their journey far deeper than once thought. Working with volcanic rocks from ocean ...

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Earth’s core is apparently a bit leakier than scientists expected. In a new study published in Nature, researchers describe evidence that traces of precious metals from Earth’s metallic core, ...

AI scanned 2 million earthquake records and found six hidden zones near Earth's core-mantle boundary that decades of manual ...

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 be solid ...