The USGS Hawaiian Volcano Observatory keeps its eyes on active volcanoes in many ways. While old fashioned eyes and a notebook are used when field teams are near a volcano, modern volcano ...

Scientists are closely monitoring a massive volcano in Alaska that appears to be on the verge of an eruption - after earthquakes put state on high alert. On March 7, Mount Spurr, an 11,000-foot-tall ...

Smithsonian Institution, Center for Folklife and Cultural Heritage, Ralph Rinzler Folklife Archives and Collections, 600 Maryland Ave., S.W., Suite 2001, Washington ...

A hidden danger may exist beneath Antarctica that could accelerate ice melt, a new study says. Antarctica is not just a passive, icy landscape, but a geologically active region with a complex network ...

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...

This stunning astronaut photo shows the natural beauty of Japan's Aso Caldera — a giant crater-like bowl containing 17 different volcanoes, leftover from major eruptions spanning over 200,000 years.