Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many years.

It may seem fantastical to say there is a planet within Earth, but conceptually it is true. Ever since the 1990s, geophysicists have known that Earth's inner core— a ball of iron with a radius ...

Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

Ample sunshine, ice cream, and afternoons at the beach might leave you wishing that summer would never end. Unfortunately, ...

Literature and lore involving Earth's core have filled the knowledge void with all sorts of fanciful ideas. "I'm not such a philosopher but we've all had nightmares of what's going on down in the ...

Yes, you read that correctly, earth experienced a shorter day on Tuesday, spinning about 1.34 milliseconds faster than it’s ...

The 2003 disaster film “The Core” imagines that the rotation of Earth’s center has stalled, damaging the magnetic field that envelops the planet — and triggering a violent lightning storm ...

In the mid-1990s scientists found evidence that Earth’s inner core, a superheated ball of iron slightly smaller than the moon, was spinning at its own pace, just a bit faster than the rest of ...

The Earth’s inner core is separated from the rest of the planet by its liquid outer core, so it rotates at a different pace and direction.

Earth's core is an estimated 5,000 degrees Celsius. iStock. Subduction, the term used for rocks from Earth's surface descending into the mantle, takes oxygen-rich material from the surface into ...

The new research from the University of Southern California, now published in Nature, noticed that the Earth’s inner core was moving slower than the surface, termed “backtracking,” and has ...

Even more intriguing, though, is that this new study claims that the Earth’s inner core has halted its spin relative to the mantle. To discover this, the researchers look at earthquakes between ...