Commercial pilots flying near Mount St. Helens reported a plume of fine ash rising over the volcano. USGS says it's a ...

On the morning of May 18, 1980, the most destructive volcanic eruption in United States history killed 57 people in Washington State. The enormous column of ash that was unleashed by Mount St. Helens ...

Explosive chemistry doesn’t always mean danger. In many cases, it simply refers to reactions that produce dramatic visual ...

Long winding roads, no guard rails, and steep turns. These drives through America's national parks have some of the most seasoned drivers afraid.

These movies put the "action" in "lights, camera, action!" ...