In celebration of National Rock Day, learn how several rock specimens in the new exhibition “From These Lands” shed light on ...

Caldera formation arises when large volumes of magma are evacuated from a sub-surface reservoir, leading to gravitational collapse of the overlying rock into the evacuated space. The process begins ...

This video shows Shiprock, a towering volcanic rock formation in San Juan County, New Mexico, United States. Rising about 482 meters (1,583 feet) above the surrounding desert, Shiprock is the remnant ...

Geologists studying some of the planet’s oldest volcanic rocks have uncovered new evidence that water was playing a major ...

Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 billion years have left an imprint on volcanic rocks formed in island arcs.

Seismic waves have revealed that the oceanic plate beneath the Ontong Java Plateau was dramatically transformed by the ...

Located on the Atlantic coast, the Giant's Causeway is one of the most popular natural landmarks in Northern Ireland. Jennifer Boyer via Flickr under CC BY 2.0 As the legend goes, an Irish giant ...

Water may have been shaping Earth’s deep interior far earlier than many geologists thought. In rocks more than 3 billion years old from Western Australia, a research team found chemical signs that ...

Major clues to the origins of our planet—and life itself—are locked inside some three billion-year-old volcanic rocks from ...