BUTTE, Mont. — Envision this scenario: You are going about your day. All is calm and quiet until suddenly, the ground beneath your feet begins to shake, and items within your home or workspace begin ...

Geophysics has shown that precise measurements and a little modeling can perform wonders, like showing us the detailed structure of the Earth’s interior despite the fact that it is inaccessibly buried ...

Earthquakes, volcanic eruptions, shifting tectonic plates - these are all signs that our planet is alive. But what is revealed deep inside the earth surprises laymen and scientists alike: Almost 3000 ...