The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was ...

Learn how stress inside a volcano can make gas bubbles form early, helping explain why some eruptions stay quiet instead of ...

The alert level was maintained at its highest after Semeru erupted 10 times, emitting massive plumes of ash and sending lava ...

Semeru volcano — the highest volcano on Java — erupted on the afternoon of November 19, 2025, with pyroclastic flows racing ...

Katia Krafft traveled to volcanoes around the world to unlock their mysteries, capture their beauty, and raise awareness of their risks.

Tapping energy from “superhot rock” could produce cheap, clean, constant energy almost anywhere — if drills and wells can survive infernal heat and pressure.