Scientists have long debated whether most of Earth's vital liquid was delivered via icy comets or was homemade ...

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 ...

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 ...

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

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

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 ...

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

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

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

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

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