lies Earth's inner core—a solid ball of iron and nickel that plays a crucial role in shaping the conditions we experience on the surface. In fact, without it we'd be unlikely to even exist.

Did you know that our planet is rocketing around the sun at 67,000 mph? Or that it once had two moons? Here are some amazing facts about Earth.

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WASHINGTON, D.C. — Earth’s inner core, a solid metal ball gyrating within the molten outer core, may be both slowing down and changing shape. Recent analyses of earthquake waves have suggested ...

The Earth's interior is composed of four layers ... in diameter. Although this inner core is white hot, the pressure is so high the iron cannot melt. The iron isn't pure—scientists believe ...

Over time, Earth's interior—which is made mostly of silicate rocks and metals—differentiated into four layers. At the planet's heart lies the inner core, a solid sphere of iron and nickel that ...

As much as we have explored and modeled our planet, there are a number of mysteries that surround the Earth's inner core. This isn't that surprising, as it's pretty difficult to study a region ...

In fact, recent research revealed the core itself ... core's flow and ultimately shape Earth's magnetic field. The Earth's core remains a shrouded realm, but this new study reveals another piece ...

On decadal scales, a fluctuation of 2 to 3 milliseconds has been linked to large-scale flows in Earth's fluid core. But there's another fluctuation of about 3 to 4 milliseconds every thousand ...

Now, a team of geophysicists from ETH Zürich in Switzerland thinks they have found the answer in Earth's molten iron core, with tiny alterations affecting the planet's rotation. There are several ...

This appears to be the case, to a rather stunning extent, in the instance of the reporting this week around new findings that researchers say shows the rotation of Earth’s inner core is slowing ...

A University of Minnesota professor said the Earth’s inner core hasn’t stopped but has slowed down in response to a CNN article published Jan. 26 titled “Earth’s Core May Have Stopped Turning and ...