A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby ...

It's been nearly four years since a massive volcanic explosion rocked the Pacific nation of Tonga. The eruption created a ...

Deep in the south Pacific Ocean, near the remote Solomon Islands, there’s a volcano unlike any other on earth. For one, it’s underwater; and secondly, it’s extremely active. Kavachi, it’s called. And ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...