A major U.S. city is under threat from a potential volcanic eruption after more than 20 earthquakes were recorded in Alaska.

An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

Volcanoes have stirred human awe for thousands of years, with their bursts of fire and rivers of molten rock. Yet, beyond the familiar cone-shaped peaks lies a more silent, hidden ...

An underwater volcano 300 miles off the coast of Oregon is displaying signs of a potential eruption, UW researchers found.

Scientists have warned that the eruption in Anchorage, Alaska could happen within the next couple of weeks and cause aviation chaos ...

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...

At such a critical moment in US history, we need reporters on the ... The likelihood of Alaska’s Mount Spurr volcano erupting has decreased - but Alaskans aren’t out of the woods yet ...

A "sharp, volatile-rich cap” about 2.5 miles under Yellowstone’s surface “acts like a lid,” trapping pressure and heat that ...

Scientists have studied Yellowstone National Park's magmatic system for years, but a new view of the magma chamber shows the ...

Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what quietly falls from the sky. When a large volcano erupts, as Mount Spurr ...

ANCHORAGE, Alaska – We love our pets and worry about their safety during natural disasters, especially something as unique as a volcanic eruption. Scientists with the Alaska Volcano Observatory ...