A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade ...

Magma build-up activity in the region of a huge underwater volcano named the Axial Seamount just 300 miles off the US coast ...

With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

Experts believe a Mount Rainier eruption would post a grave threat to millions who live in the southern and eastern sections ...

The zone was based on a presumption that any eruption would go straight up through the summit. Harry Truman, who owned the Mount St. Helens Lodge on Spirit Lake near the mountain, refused to move ...

One volcanologist who has spent time studying the volcano said the devastation its eruption would cause would be "complete and incomprehensible." ...

The giant supervolcano that lies under Yellowstone National Park is cooling off in the west but staying hot in the northeast.

When Mount St. Helens erupted in 1980, he volunteered to work with the U.S. Geological Survey. “Before I knew it, I was flying in a helicopter into the crater. The first dome-building eruption ...

The center is set to reopen again on May 17 for the 45th anniversary of the Mount St. Helens eruption. Other upcoming events for the nonprofit include the Volcano Naturalist Program, a 12-week ...

It’s known as a super-eruption because it released an estimated 250 cubic miles of material – 1,000 times larger than the Mount St. Helens eruption in Washington state in 1980. For now ...