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

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

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 ...

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 erupted 45 years ago, causing the deadliest volcanic disaster in U.S. history. Rubio says intel community is ...

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

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

It was 45 years ago today when Mount St. Helens erupted, triggering the biggest landslide in Earth’s recorded history and creating an ash cloud that reached across the country. John Yang looks back at ...

Explore how the landscape of southwest Washington still bears the scars of the Mount St. Helens eruption 45 years later, ...

Michael Lienau, part of the first film crew documenting the aftermath of the Mount St. Helens, said the experience was a ...

57 people died in the eruption, but the disaster gave scientists a way to develop monitoring tools, improving their ability ...