In the shadow of Alaska's bustling city, Mount Spurr whispers of its ancient power. Elevated gas emissions suggest a restless ...

Seven international flights from Bali have been cancelled due to a volcanic eruption, which released dark ash up to eight ...

Hidden in the stormy Furious Fifties, the South Sandwich Islands generate spectacular cloud formations. Winds sweeping past ...

Deep within Africa’s Great Rift Valley, Virunga National Park is home to some of the continent’s most active volcanoes, ...

The colors can easily be seen with the naked eye, but you can get an enhanced viewing experience with a telescope or ...