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

Mount Etna has long puzzled geologists because it doesn't fit any of the three classic ways volcanoes are thought to form. A ...

This video shows Shiprock, a towering volcanic rock formation in San Juan County, New Mexico, United States. Rising about 482 ...

Whether it’s 100 degrees or below-freezing, these caverns in the Sierra Nevada foothills stay at a constant temperature for ...

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

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.

This breathtaking aerial view captures the extraordinary landscape of Cappadocia, Türkiye, where towering rock formations, ...

Volcanoes can behave in strikingly different ways, even when they appear nearly identical. Some release slow, steady lava flows.

Venture into the captivating landscape of Kandovan, an ancient village nestled in the northwest corner of Iran, where homes are seamlessly integrated into the rugged debris of a once-erupted volcano, ...

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