The interiors of rocky planets and moons tend to be pretty hot compared with their surfaces. This heat, which can be caused by a number of sources — such as tidal stretching and compression, the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The crust of volcanically active Venus could be churning with ...

Venus—a hot planet pocked with tens of thousands of volcanoes—may be even more geologically active near its surface than previously thought. New calculations by researchers at Washington University in ...

A powerful earthquake in Indonesia has brought fresh attention to the Pacific “Ring of Fire”. What is the Ring of Fire, and ...

Seismic waves from earthquakes have always offered a window into Earth’s hidden interior. For decades, researchers believed they had a firm grasp on how these waves revealed the rocky mantle’s secrets ...

Earth’s continental crust has grown and been reshaped over more than four billion years through the interplay of mantle dynamics, magmatic differentiation and crustal recycling. In its infancy, a ...