Seattle Times photographers have captured many of the most memorable moments in our region's history. Here are some of those ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

The morning of March 16, 1980, marked the end of 123 years of peaceful solace on the slopes of Mount St. Helens as a series ...

A towering plume of ash rises in the distance of the photo, swirling with menace and threat, lightning arcing within it. As ...

Weyerhaeuser, a leading timberland REIT, owns 10.5 million acres, excelling in sustainable forest management and wood product ...

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

Les Zaitz and his wife and business partner, Scotta Callister, are retiring after more than a combined century in journalism.

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

The first event is Wednesday with Alysa Adams, lead interpretive specialist of the Mount St. Helens Visitor Center.

A volcano that has not erupted in 250,000 years has shown signs of returning to life. Scientists warned that an eruption ...

Yellowstone is using a 53,000-pound vibrator truck to create custom-made earthquakes to study the supervolcano the park sits ...