Though it last erupted in 2015, it has a history of more than 50 eruptions over the past 800 years. What’s causing all this ...

Scientists warn that the Alaska volcano Mount Spurr is likely to erupt soon, showering ash on Anchorage and potentially ...

Though it last erupted in 2015, it has a history of more than 50 eruptions over the past 800 years. What’s causing all this volcanic activity? It's called the Ring of Fire. The Ring of Fire and ...