Scientists monitoring Alaska’s Mount Spurr said seismic activity continues to rise, indicating that the volcano is moving toward an eruption. The major risk of a Mount Spurr eruption is ashfall ...

When people think about volcanoes, they often picture places like Hawaii or Yellowstone—not Colorado. But did you know that ...

I’m in Italy visiting a very famous volcano called Mount Vesuvius. A volcano is an opening in the Earth’s crust, which allows hot magma, ash and gases to escape from below the surface.