A stream of bubbles discovered seeping from an underwater volcano has sparked a worrying prediction. Scientists warn their investigation has widespread implications for Australia’s most famous tourist ...

In the early 20th century, sailors near Alaska reported seeing black bubbles seeming to boil out from the sea, each one the size of the dome of the capitol building in Washington, D.C. They weren’t ...

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” ...

Learn how stress inside a volcano can make gas bubbles form early, helping explain why some eruptions stay quiet instead of exploding. One of the most explosive volcanoes in U.S. history began its ...