Prefer Newsweek on Google to see more of our trusted coverage when you search. A small, young volcano has been discovered deep beneath the ocean at the oldest part of the Pacific plate. The volcano, ...

The Mariana Trench has long captured the public's imagination. Here are some facts about one of the Earth's great wonders. Q. What is the Mariana Trench? The trench is the deepest place on Earth, ...

A new image of the surface of Mars captured by a European and Russian orbiter shows a stunning overhead view of deep trenches in the surface of the planet created by activity from nearby volcanoes.

Along 1,100 kilometers, from Mexico to Costa Rica, lies the Central American volcanic arc, where the variety of magma types make for a geological paradise. By Pablo Fonseca Q. / Knowable Magazine ...

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.