The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

You might even remember seeing it.

Washington is renowned for its dramatic hiking experiences: alpine lakes framed by sky-high peaks, mossy forests, and panoramic views that show off the entire Pacific Coast. But while these bucket ...

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

Curious about volcanoes you can actually visit without risking life and limb? Good news: the U.S. is packed with fascinating volcanic sites, from smoldering calderas to massive craters, all open to ...

A hazy cloud that emerged over the active volcano was the result of high winds rather than a new eruption. By Amy Graff and Soumya Karlamangla On the morning of May 18, 1980, the most destructive ...

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

Mount St. Helens looked like it might be erupting again. Commercial pilots flying in the area Tuesday reported clouds of fine volcanic ash rising into the air above the collapsed dome of the Cascades’ ...

For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be erupting again. But fortunately, this was not an eruption — just a ...

This story was originally published on MyNorthwest.com. What is that coming out of Mount St. Helens? Is it ash? The National Weather Service (NWS) in Portland assured everyone that although ash is ...