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 ...

Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research ...

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 ...

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...

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 ...

Deep beneath Earth ... s crust slowly drifts apart. Despite its significance, this area had remained largely unexplored—until now. Beneath its surface, scientists found an unexpectedly thick ...