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

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

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

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

On this 45th anniversary of the Mount St. Helens eruption, the Washington Department of Transportation (WSDOT) is offering a ...

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

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 ...

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.

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

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

Prest and three other soldiers were skimming over a moonscape in a Huey helicopter, the same aircraft that was the Army’s ...