To understand the mantle—the largest layer of Earth’s rocky body—scientists drill deep cores out of the Earth. Scientists drilled the deepest core yet and recovered serpentinized peridotite that forms ...

To learn about how rocks and minerals get pushed from the Earth's mantle to the seafloor, scientists drilled a really, really deep hole. Reading time 3 minutes Rock at the bottom of the Atlantic Ocean ...

You've heard of an apple core. It's the part most people throw away. Today, we'll hear about a different kind of core - a ...