Volcanoes across the country are beginning to wake up and erupt, and no one has a good explanation for why it's happening.

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Scientists have discovered three large underwater volcanoes and the wreckage of a sunken ship measuring more than 300 feet in length. The discoveries came during an expedition called M191 SUAVE ...