In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...

Two long-dormant “supervolcanoes” on two separate continents appear to be stirring to life. Well, maybe. In recent months, more than a thousand minor earthquakes have rattled the area around the Campi ...

The upcoming activity would mark the 37th episodic eruption since December 2024. Hawaii's Kilauea volcano, one of the most active in the world, is about to erupt again, according to the United States ...