More than 40 years after the Mount St. Helens eruption buried a Washington river valley under volcanic sediment, 58 relocated ...

On a recent June day on upper Mount St. Helens, there was a tail flap, a splash, and a native species returned to its ancestral waters for the first time in four decades. Chinook salmon had thrived in ...

Add Yahoo as a preferred source to see more of our stories on Google. Here’s how to visit Mount St. Helens despite the landslide that’s blocking the north road The public is still able to visit ...

ST HELENS, Wash — Engineers who spent the days and years following the 1980 eruption of Mount St. Helens working on the recovery of the region, returned Tuesday to check in on some of their work.

MOUNT ST. HELENS, Wash. – The Mount St. Helens Visitor Center is now open, showcasing updated exhibits and a new theater. The center closed last September for renovations. Visitors can explore a ...

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. The 1980 Mount St. Helens eruption began with a steady ...

Inside the Cascades Volcano Observatory in Vancouver, Wash., SALI the robot weighs small crucibles holding sediment. SALI stands for Sediment Analysis Laboratory Instrument. “This is the modern legacy ...