Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news ...

In today's video, we're going to dive into the geography of volcanoes in the United States, the history of volcanic eruptions, why Mount Rainier is considered to be the country's most dangerous ...

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” ...

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of volcano.

About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

The last eruption of Greece’s Methana volcano was around 250 B.C.E. Ever since that event, which was recorded by the Greek historian Strabo, the mountain has lurked silently, just across the Saronic ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.