The U.S. Army Corps of Engineers is set to start raising a dam used to catch millions of tons of Mount St. Helens sediment that flows each year from the mountain into the Toutle, Cowlitz and Columbia ...

Mount St. Helens, located in Skamania County, Washington, is one of the most active volcanoes in the Cascade Range. Famous for its horseshoe-shaped crater formed after the 1980 eruption, it stands at ...

"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...

The world is constantly changing, and eventually, our memory alone isn't enough to portray how things really were. It can ...

The true date of the eruption has long eluded—and vexed—historians of the deadly disaster. Here’s what the archaeological evidence tells us. The ancient city of Herculanum was destroyed by the ...

A federal lawsuit is asking a judge to order ICE to stop conducting warrantless arrests in Oregon.

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