Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river ...

When large masses of water are moved from one place to another, this changes the shape of Earth and leads to a phenomenon ...

Scientists have long debated whether the Earth's water was here when the planet formed or whether it arrived later. A study suggests much of the water originated in rocks from which Earth is built.

Each time you take a sip of water, you’re imbibing liquid that, in all likelihood, is up to 4.5 billion years old.Earth is awash in a life-sustaining substance about as ancient as the planet ...

With an abundant supply of liquid water, Earth is one of the few places in the universe where life can develop and flourish. But scientists have long wondered where exactly all of our life-giving ...

Some unusual meteorites suggest that Earth got its water at its start, rather than forming dry and being watered by comets later on. Accessibility links. Skip to main content; ...

About 70 percent of our planet’s surface is covered with water, and it plays an important role in our daily lives. But how did water get on Earth in the first place?

Over the past two centuries, humans have locked up enough water in dams to shift Earth's poles slightly away from the ...

A new series of experiments has shown that the mysterious "E-prime layer," which surrounds Earth's outer core, is created by water that leaks deep into our planet's interior.

The water cycle refers to the complex system by which water moves around the Earth. Water evaporates from the ground — including from lakes, rivers and plants — and rises into the atmosphere ...