Earth's atmosphere may be seeding the Moon with water, as hydrogen and oxygen ions could bond into water molecules in lunar soil.

Scientists have uncovered a massive water reservoir deep beneath Earth’s surface, contained within a mineral called ringwoodite. This “ocean” is three times larger than all of Earth’s surface oceans ...

Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river drainage systems. Water is the biosphere's lifeblood, and without it, Earth ...

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers discovered that bridgmanite deep in the mantle can store far more water at high ...

Geologists studying some of the planet's oldest volcanic rocks have uncovered new evidence that water was playing a major role in shaping Earth's interior and driving volcanic activity more than 3 ...

The phrase "water is life" is true – water makes all known life on Earth possible. It's also a key component in lubricating the super-slow movement of Earth's mantle layer, hydrating those rock layers ...

In the 45°C heat of the midday April sun, I swing my sledgehammer into the terracotta-varnished lobes of pillow basalt overlooking a sparse, almost Martian landscape. Up close, the rock is freckled ...

The water cycle you were taught in school is being thrown off balance by fossil fuel pollution, bringing a host of dangerous consequences including shrinking rivers, disappearing glaciers and wild ...