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 ...

Residents of the Pacific Northwest often cast a wary eye toward Mount St. Helens, but airborne ash this week isn’t a sign of ...

A massive eruption 74,000 years ago shook the planet, and archaeologists are using volcanic glass to figure out how humans ...

After graduating from Waiakea High School, I went east for my undergraduate degree at Harvard, in Cambridge, Mass. During the ...

Key points A multinational team of researchers, led by the University of Tasmania, have been investigating the aftermath of ...

Just 90 miles north of San Francisco, however, thousands of people live, boat and build communities around Clear Lake. Rising ...

Screening at the 2025 Toronto Film Festival. What does it take to really change the world? And who must make a sacrifice if ...

A NASA spacecraft survived extreme radiation and captured rich images of the most volcanic world in our solar system, the tortured moon Io.

U.S. Geological Survey volcanologist Seth Burgess overlooks Clear Lake and Mount Konocti, the largest peak in the Clear Lake ...

If you were lucky 74,000 years ago, you would have survived the Toba supereruption, one of the largest catastrophic events ...