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 ...

The inner core has slowed so much that it has essentially kicked into reverse. The finding by Vidale and his counterpart Wei Wang of the Chinese Academy of Sciences, published recently in the ...

Earth's inner core is a roughly moon-size chunk of solid iron and nickel that lies more than 3,000 miles (4,800 kilometers) below our feet. It is surrounded by the outer core — a superhot layer ...

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Decades worth of seismic data confirms the rotation of Earth's inner core is moving slower than the planet's surface. The rotation of Earth's inner core began to slow down more than a decade ago ...

Alfred Wilson-Spencer receives funding from NERC grants NE/T000228/1 and NE/V010867/1. Deep beneath our feet, at a staggering depth of over 5,100km, lies Earth’s inner core — a solid ball of ...

“When the first results came in, we realized that we had literally struck gold,” Nils Messling, a geochemist at Göttingen ...

USC scientists have made a groundbreaking discovery about the nature of Earth’s enigmatic inner core, revealing for the first time that this 1,500-mile-wide ball of iron and nickel is changing.

(CNN) — Scientists who just months ago confirmed that Earth’s inner core recently reversed its spin have a new revelation about our planet’s deepest secrets — they identified changes to the inner core ...