The inner core of Earth may have changed shape in the past 20 years, according to a group of scientists. The inner core is ...

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

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

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 ...

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 ...

Earth’s core is pretty dynamic. Its spin speeds up and slows down based on how its two primary layers are behaving. As we improve the waveform techniques used to study the deepest layer ...

In fact, the inner core's rotation completely changed direction in 2010 and has been slowly moving in the opposite direction since. The mantle is the largest of the Earth's layers and consists of ...

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

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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.

The surface of Earth's inner core may be shape-shifting, new research suggests. The study, published Feb. 10 in the journal Nature, looked at earthquake waves that have skimmed the edge of the ...

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