prompting questions about how long people can live on the planet. ∎ The structure of Earth's core could be unlike any other state of matter, researchers have found. According to new research ...

The findings confirm that helium could stay locked in Earth's solid inner core for a long time, Olson told Live Science, but he cautioned that only 4% of the core is solid. "This is significant ...

Figuring out how helium-3 got incorporated into the core during Earth's formation is very important for understanding when the planet formed, Olson said. Light gases like helium hung around in the ...

For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet that sits some 3,000 miles (4,828 kilometers) below the surface.

The Earth is continuously changing, with constant transformations occurring both on its surface and within its core. The movement of tectonic plates, climate shifts, and the drifting of the ...

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Natural phenomena such as volcanic eruptions and earthquakes are a constant reminder that we live on a restless planet ... For example, the mineralogy of the Earth's mantle, especially near the ...

Where the Earth’s core meets the mantle, there are two giant regions that have baffled geologists for fifty years. A new piece of the puzzle has now emerged with the discovery that they have ...

A recent study revealed that Earth’s inner core is slowing down, prompting scientists to investigate further. Their research led to an unexpected discovery: that inner core is not entirely solid.

Why Trust Us? A new study analyzing decades of seismogram data shows that physical changes can occur at the surface of the Earth’s inner core. This means that the surface of the inner core could ...

The outside of Earth's core is made from molten nickel and iron ... Marilyn Perkins is the content manager at Live Science. She is a science writer and illustrator based in Los Angeles, California.