The origins of plate tectonics on Earth are hotly debated, but evidence from Australia now shows that parts of the crust ...

Researchers used zircons and AI to reconstruct Earth's ancient crust, revealing possible tectonic processes from the planet's ...

Gigantic hidden fortresses discovered 1,800 miles underground in Earth's mantle, rewrite how the planet's interior works.

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

A new study from the University of Florida analyzing moon rock samples from a Chinese lunar exploration mission is rewriting ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except for one small chunk.

Quiz: How much do you know about the composition of Earth? Test your knowledge of the elements and minerals in our planet’s different layers.

A geoscience study uncovered zircon evidence pointing to the possible remains of the lost continent of Lemuria under the ...

The Earth's crust is doing something pretty intense—it’s slowly breaking apart! Scientists say tectonic plates, those massive puzzle pieces that make up our planet’s surface, are shifting and cracking ...

The largest piece of Mars on Earth has sold for $5.3m. Meteorite NWA 16788, offered by Sotheby’s New York on Wednesday, July ...

A Part of Earth’s Original Crust Still Exists NEMES LASZLO/SCIENCE PHOTO LIBRARY - Getty Images "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." ...