A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to ...

In the wake of its recent fiery rampage, it's perhaps no surprise that Kīlauea in Hawaii tops the list as the most dangerous volcano in the U.S., according to newly released rankings from the U.S.

After being shaken by 15 months of increasingly disruptive earthquakes, including about 50,000 in the past three weeks, Iceland’s Reykjanes Peninsula is finally experiencing the volcanic eruption that ...