Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost layer. This thin shell represents less than one percent of Earth's total mass, yet it's the only layer we ...

Earth’s core is apparently a bit leakier than scientists expected. In a new study published in Nature, researchers describe evidence that traces of precious metals from Earth’s metallic core, ...

Over millions of years, the Earth’s upper layers have performed a dance that has created mountains, volcanoes, continents, ridges and ocean trenches. Tectonic plates play a key role in this process.

Scientists are warning that volcanoes buried under ice sheets are not as dormant as they look. As glaciers thin and retreat, ...

Waves in Earth's mantle created by the rifting of continents may peel the planet's crust from below, feeding volcanoes in the middle of the ocean. When you purchase through links on our site, we may ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

This eerie satellite photo shows a "devilish" Russian volcano spewing out a 1,000-mile-long river of smoke into Earth's atmosphere. It is a striking reminder of the volcanic power trapped within the ...

If you’ve been following the ongoing eruption of Kilauea, you may have seen the terms “gas piston” or “gas pistoning” show up in some of the USGS Hawaiian Volcano Observatory updates, photo captions, ...