It creates the Earth's magnetic field and is about 1,400 miles (2,300 kilometers) thick ... crust, the interior of the Earth cannot be studied by drilling holes to take samples. Instead ...

New research has revealed unexpected details about the surface of Venus, Earth’s scorching hot twin. Scientists had long ...

It is the thinnest layer and is between 5 and 90 km thick. Earth is ... of the Earth's crust are constantly moving at about the same speed as your fingernails grow, so the map of the world will ...

New details about the crust on Venus include some surprises about the geology of Earth's hotter twin, according to new ...

Researchers discover Earth's first crust ... the protocrust matched that of today’s continental crust and suggested a global crust thickness of about 15 km—equivalent in chemical character ...