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

New research suggests that the geological site harbors the oldest known surviving fragments of Earth’s crust, dating back to 4.16 billion years ago.

Unravelling Earth’s 4.5-billion-year history with rocks is tricky business. Case in point: the discovery of an ancient meteorite impact crater was recently reported in the remote Pilbara region of ...

Since their formation billions of years ago, the oldest parts of Earth's continental rocks have generated natural hydrogen in ...

Earth’s crust won’t be able to withstand all that weight and pressure in such a small area. The neutron ball will sink. “It’s going to be pretty much free-falling,” Duez said.

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." ...

Earth is about 4.5 billion years old, and as the eons passed, the crust of the young planet experienced turbulence. Asteroid collisions shattered some parts, which melted and recrystallized, while ...