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

The aurora borealis wowed all lower 48 states last May, and experts say the chances of more northern lights are good as solar activity is at its 11-year maximum.

Sitting more or less in the center of Washington state, around a two-and-a-half-hour drive from Seattle, Wenatchee is a ...

With a possible eruption looming, the Alaska Observatory is closely watching Mount Spurr. Your Alaska Link shows how one rural village is getting prepared. (Photo courtesy: AVO/USGS) ...