Earth’s story may have hardened into place almost as soon as the Solar System began. That is the striking claim in new ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid lifelessness, did our planet become warm, hospitable, and life-sustaining? The answer ...

There are two enormous provinces of unusual rock that sit at the bottom of the mantle, just above the Earth's core. One of them is located underneath Africa and one is under the Pacific Ocean. They're ...