Mount Rainier is one of the most closely monitored volcanoes in the United States, but not for the reason most people think. While recent headlines sparked fears of a possible eruption, scientists say ...

Add Yahoo as a preferred source to see more of our stories on Google. An active volcano, Mount Rainier has erupted thousands of times during its relatively young life. Photograph by Philip Kramer, ...

Several volcanoes in the 'Pacific Ring of Fire' have shown increased activity recently, prompting close monitoring by experts for potential eruptions. Also called the Circum-Pacific Belt, it is a ...