Earth has four primary layers: the crust, mantle, outer core, and inner core. The crust is a thin, solid layer upon which all life resides. Underneath it is the mantle, a hot, dense layer of ...

The record-breaking mission offers an unprecedented opportunity to study the geology of our planet’s largest layer.

Water from both volcanic rocks and deep mantle melted Earth's crust 1.6 billion years ago. This long-lasting melting formed ...

Scientists found new evidence that Earth’s crust is peeling underneath the Sierra Nevada in California. The process might be how the continents formed, they say.

Hold onto your sense of balance. Scientists have found fresh proof that Earth doesn't just drift through space — sometimes, ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

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

Earth’s uppermost layer, the lithosphere, is made up of the rigid crust and the top part of the mantle, which is in a denser, but more fluid state. This layer also contains Earth’s oceanic ...