An illustration of Earth as it existed during part of its formation billions of years ago, when an ocean of magma covered the surface of the planet and stretched thousands of miles deep into the core.

New research led by the University of Cambridge has found rare evidence – preserved in the chemistry of ancient rocks from Greenland – which tells of a time when Earth was almost entirely molten. The ...

Earth held a deep ocean of magma beneath its surface in its early history, new research finds, potentially explaining odd anomalies seen in the mantle today. This basal magma ocean has been hotly ...

At first, scientists thought Earth’s water came from comets. Then, asteroids. Now, they wonder if Earth’s water is homegrown.

Researchers at the Kapteyn Astronomical Institute have found that an ocean of magma on the surface of the early Earth could ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The history of Earth's continents might be different from what we first ...

A thick atmosphere has been detected around a planet that’s twice as big as Earth in a nearby solar system, researchers reported Wednesday. The so-called super Earth — known as 55 Cancri e — is among ...

Volcanologists discovered that really hot magma, oddly, won’t start cooling into rock until it reaches lower-than-normal ...

Scientists have shed light on a thermal process in magma that may help explain why similar volcanic systems can produce very ...

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