Volcanic eruptions usually leave behind a trail of ash, disruption, and costly cleanup. In the Philippines, that ash is now being reimagined as a strategic asset, as scientists turn it into a material ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help planners anticipate future mudflows.

Hawaii's Kilauea volcano produces significant volcanic gas during the latest eruption. Officials are monitoring air quality as crowds flock to witness the activity.

VOLCANOES NATIONAL PARK (HawaiiNewsNow) - Episode 41 of Kilauea’s ongoing eruption began Saturday morning with fountains at ...

At Puʻuʻōʻō, fissures reopened on either side of the vent, while at Maunaulu, the eruption stalled and the vent collapsed ...

Episode 41 of lava fountaining in Kilauea’s Halemaumau crater began late this morning, according to the U.S. Geological ...

Scientists are flocking to Iceland to investigate an increasingly crucial question: Will melting glaciers accelerate and intensify earthquakes and volcanic eruptions? William Brangham reports. PBS ...

New seismic imaging shows magma lingering beneath quiet Cascade volcanoes, shaping how scientists monitor and plan for eruptions.

Episode 41 of lava fountaining to more than 1,600 feet high as part of the ongoing episodic summit eruption of Kīlauea ...

The 1815 eruption of Mount Tambora in Indonesia left a huge crater, along with a sometimes unexpected legacy. Jialiang Gao, CC BY-SA 3.0, via Wikimedia Commons On April 10, 1815, the Tambora volcano ...