Earth’s Moon may have formed intact within five hours of a giant impact 4.5 billion years ago, as new modeling reveals the crucial role of rock strength.

Add Yahoo as a preferred source to see more of our stories on Google. Earth's chemistry may have stabilized within 3 million years, with water and volatiles arriving later in a giant impact. (CREDIT: ...

Earth’s unusually large Moon may not have assembled gradually from a vast ring of debris after all. Under the right conditions, much of it could have emerged as an intact body only hours after another ...

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 ...

Earth’s story may have hardened into place almost as soon as the Solar System began. That is the striking claim in new research tracing when the young planet locked in the chemical makeup that still ...