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

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

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 ...

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

Deep beneath the familiar blue of the oceans, Earth may be hiding a far larger sea of potential. New high pressure experiments suggest the planet’s metallic heart could store hydrogen equivalent to ...

While we have sent probes billions of kilometers into interstellar space, humans have barely scratched the surface of our own ...

All the activity on Earth’s surface — erupting volcanoes, shifting tectonic plates, restless seas and myriad forms of life — depends on the two-part engine under the hood. Directly beneath Earth’s ...

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

Gold and other precious metals are leaking from Earth’s core into the layers above, eventually making their way up to the surface during the formation of volcanic islands like Hawaii, a new study ...