Seismologist Deborah Kilb was wading through California earthquake records from the past four decades when she noticed ...

A recent study reveals that slow ocean expansion 15-6 million years ago caused sea levels to change and drop by up to 30 ...

Seismic waves from earthquakes have always offered a window into Earth’s hidden interior. For decades, researchers believed ...

This layer also contains Earth's oceanic crust — a thinner and denser layer below the oceans — and the continental crust that sits above this layer. But how these sublayers manage to exist in ...