The North American continent is "dripping" rock into the lower layers of the Earth, new research says, and in the process ...

The oldest crust on Earth, known to be unchanging ... the continent and is "both redirecting the flow of material in the mantle such that it is wearing away the bottom of the North American ...

These high-velocity features stretched from the bottom of the continental lithosphere down to the mantle transition zone ... stable parts of the planet’s crust. And with better tools like ...

Deep under the Midwest, chunks of Earth’s crust are slowly sinking into the mantle like molasses. ‘This ship runs on booze’: Japan’s 310,000-ton methanol monster is coming 'Nature’s ...