This Sunday marks 45 years since Mount Saint Helens erupted, sending ash from its peak and lava, mud, and debris flowing down ...

We asked for your memories of the Mount St. Helens eruption on May 18, 1980, and you delivered. Here's what you had to say.

Michael Cairns flew a National Guard helicopter on a rescue and recovery mission to Mount St. Helens. His book, "Under the ...

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 ...

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

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 blew 45 years ago this week. A young grad with a camera watched the ash fall — and began to understand his calling.

Learn more about fascinating lava fountains and how high they can reach during a volcano eruption.