When the plate sinks into the mantle it melts to form magma. The pressure of the magma builds up beneath the Earth's surface. The magma escapes through weaknesses in the rock and rises up through a ...

Gases collected from boiling mineral springs in Zambia contain the chemical signature of having come directly from the ...

Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

A seamount sitting on a subducting tectonic plate off the coast of Japan and plowing its way into Earth's mantle may be at the root of several magnitude 7 earthquakes in the past 40 years. When you ...

Scientists say they have evidence of a new continental rift forming in southern Africa that could eventually develop into a ...

An eruption at Mount Etna in July 2021. (Salvatore Allegra Photography/Moment/Getty Images) Mount Etna is more than half a million years old, but this massive stratovolcano in Sicily still has plenty ...

A geologist has revealed intriguing insights into the volcanic activity on Mars. He proposes that Mars has significantly more diverse volcanism than previously realized, driven by an early form of ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The Earth's mantle might not always move along in lockstep with the overlying tectonic crust—as set out in science ...

“We have identified beaches, cliffs and sand dunes at the flat summit of the seamount,” wrote geologist Luis Somoza to Live Science, his words highlighting a find that shatters the divide between myth ...

Thousands of earthquakes in recent weeks have shaken the Icelandic fishing town of Grindavík, about 30 miles (50 kilometers) southwest of the capital Reykjavik. They have triggered evacuations and ...

By reconstructing a 700,000-year history of Methana volcano, geologists found a prehistoric phase when it appeared inactive ...