With an estimated 6 sextillion kilograms of the stuff—that’s 21 zeroes by the way—the Earth’s core is another example of why ...

A new scientific revelation reveals that deep in the Earth’s core lies a good amount of hydrogen as well as a large amount of iron. While the iron in the core has always been recognized as dominant, ...

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

A team of researchers has produced the strongest experimental evidence yet that Earth’s iron core holds enormous quantities ...

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure ...

For years, scientists have tried to understand what’s hidden in the Earth. Now, a recent investigation has revealed something ...

From the outside, Earth doesn't seem to have a lot going on in the hydrogen department… but that doesn't mean it's completely lacking in the most abundant element in the Universe. Bound to oxygen, it ...

Hydrogen reserves in Earth’s core large enough to supply at least nine oceans may influence processes on the surface today.

Precious metals may be escaping from the planet’s core. This hotly debated subject could help us understand Earth’s evolution and determine whether life exists elsewhere in the Universe ...

An experiment to quantify the amount of the universe’s lightest element in Earth’s core suggests that the planet’s water has ...