The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat ...

You know that very special rock you couldn’t resist picking up and taking home? The one with the uncanny shape, the ...

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

May 18th marks the 45th anniversary of the eruption of Mt. St. Helens and the creation of the USGS Cascades Volcano Observatory. This Saturday they are holding an open house to teach people about ...

For many people who lived through the 1980 eruption of Mount Saint Helens, it is the biggest news story of their lifetimes.

After nearly two years, the camera at the site of the 1980 Mount St. Helens eruption is back online.

A reappraisal of decades-old data suggests that strange circular formations on Venus could be volcanic “rings of fire” ...

When not exploring stories for “Oregon Field Guide,” you can find Ian restoring historic cabins on Mount Hood or climbing one of the snowy Cascade volcanoes.