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

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

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

Seismologists studying earthquake patterns in California have uncovered extraordinary evidence of a rare geological process ...

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

This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat ...

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

Remnants of a liquid layer of magma near Earth's core, formed in the first few hundred million years of the planet's history, ...

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

A new documentary is causing a stir by asserting the presence of alien life on Earth and claiming a US government effort to hide information on possible extraterrestrial activity. New findings ...