Hawaiʻi Volcanoes National Park is sounding an unmistakable alarm as crowds surge to watch Kīlauea’s latest eruption, turning a remote summit into a choked maze of cars, pedestrians and volcanic ...

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” ...