Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle ...

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

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

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 ...

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

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 ...

Measurements of seismic waves over many years suggest the Earth's core is deformed and reshaped by conditions of extreme heat ...

These chemical oddities may explain why Earth seems to be deficient in certain elements — and could prove useful in catalysts ...

Cartoon of the Earth with cutaway showing the mantle and inner and outer core. Magnetic field lines produced by the geodynamo extend into space and interact with the solar wind. The iron-rich core at ...

The record-breaking mission offers an unprecedented opportunity to study the geology of our planet’s largest layer.