When it does take place, the outburst will be brief but it will appear as a new star in the sky for a little less than a week ...

Mount Spurr has shown increasing signs of activity. These are now at a level where an eruption is plausible. Nothing is ever guaranteed with Alaskan volcanoes: they can always ...

Yellowstone National Park has a new thermal vent spewing steam in the air that could be visible to tourists once visitors ...