Lava flows create a map-like pattern on black basalt rocks at Iceland’s Fagradalsfjall volcano, which erupted in March 2021 for the first time in nearly 800 years. On June 2, 2025, Italy’s Mount Etna, ...

Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active ...

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Lee said he and ...

Italy's Mount Etna lays claim to several titles. It is: The world's most active "stratovolcano" Europe's largest and most active volcano One of the best-monitored volcanoes in the world One of the ...

Some volcanoes can produce eruptions so powerful they release oceans of dust and toxic gases into the air, blocking out sunlight and changing a planet’s climate for decades. By studying the topography ...

There’s a “hidden gem” in Northern California for travelers who prefer to stay off the beaten path, Lassen Volcanic National Park. “We have volcanic features and hydrothermal features that you might ...