A new, detailed probe of Earth's heart reveals that the rotating inner core doesn't just change in rotation speed – it also appears to change in shape, with subtle variations appearing in the way ...

The mysteries of Earth’s inner core have long been a topic of intrigue for scientists, with the planet’s central engine ...

The surface of Earth's inner core appears to be dynamic, changing shape as it rotates, earthquake waves reveal.

Earth cross section showing the classic distinction between crust, mantle and core. But new research ... [+] shows Earth's structure is far more complicated and may change over time. Analyzing an ...

Scientists infer features of this innermost geographic layer—like the fact that it’s divided ... repeating earthquakes that pass through Earth’s core, scientists can track changes in the ...

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 ...

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Meteorites are quite rare since most materials in space never come anywhere near the Earth, and of those that do come toward ...

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 ...

Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core. Until now, the inner core was widely thought of as a solid sphere.