According to the USGS, Mount St. Helens is the most active volcano in the lower 48 states and the most likely in the Cascades to erupt again.

Donald Brown is the Lead Scientist for Mount St. Helens with the U.S. Forest Service, and 45 years after the eruption, there are still a few species that have not returned, including Western redback ...

Engineers reflect on the 45th anniversary of Mount St. Helens recovery, admiring their legacy amid natural challenges.

Mount St. Helens, the largest volcanic eruption in US history, was commemorated this weekend, 45 years after its eruption, ...

Read how the engineers came together to solve a problem they never anticipated, especially after being told the mountain ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. Related Articles New book examines what inspired ...

RELATED: Mount St. Helens eruption: See rare footage of the 1980 eruption from KGW archives Though Mount St. Helens remains an active volcano, Coburn said there's no reason to panic, and there ...