About 1,800 miles beneath the surface, Earth's internal structure changes abruptly where the solid rock of the mantle meets the swirling molten iron of the outer core. But the boundary between the ...

Seismic waves generated in Earth's interior provide images that help us to better understand the pattern of mantle convection that drives plate motions. You have full access to this article via your ...

Materials deep inside Earth have unexpected atomic properties that might force earth scientists to revise their models of Earth's internal processes. Recreating in the lab materials they believe exist ...

In the absence of a 6,000 km-deep hole to conduct observations, scientists hoping to learn about the internal structure of the Earth presently have few options but to monitor seismic waves. However, ...