Scientists have discovered that Earth’s inner core may not be fully solid. A rare “superionic” state of matter could explain ...

The Earth's internal layers including the mantle, outer core, and inner core. Scientists believe that the inner core’s rotation began to slow down in 2010, but what that really means has been up for ...

The Earth’s inner core is incredibly tricky to study, since it’s buried beneath thousands of miles of rock. New seismic studies suggest that it’s not just a solid ball of iron, as has been assumed, ...

Life on Earth became possible when the planet's solid inner core emerged hundreds of millions of years ago, according to new research. Scientists said that around 565 million years ago, the Earth's ...

Faint yet distinct ground motions recorded by a large network of seismic instruments in Japan in early 2006 are the strongest, most direct evidence that Earth’s inner core is solid. On February 22, ...

With more than 5,000 km (3,000 mi) of rock between us and the Earth's core, it's hard to get a clear look at what's going on down there. It's long been thought that the inner core is a solid ball of ...

To understand the early years of the Moon’s life, it’s vital to understand what lies at our satellite’s center. Confirming NASA's finding in 2011, a new study agrees that the Moon’s inner core is ...

A new analysis has found that Mercury has a solid inner core, just like Earth does. And Mercury’s core is just about the same size as our own planet’s. I’m biased here, but Mercury is an incredible, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have long thought Earth's core is solid. Now they have some solid evidence. The core ...