On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.

Stunning, historic front-page coverage from The Oregonian reporters Les Zaitz and Steve Jenning reports the confusion and ...

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

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

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

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

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

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m ...

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

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 ...

Poison hemlock has spread throughout the US. Here's how to kill it. How Mike Pence says he came to the conclusion he should ...