An underwater volcano in Tonga dramatically changed the global climate by releasing massive steam, not just sulfur.

Uturuncu, a Bolivian ‘zombie volcano’ that hasn’t erupted in more than 250,000 years, has shown signs of life. But scientists ...

New research shows that elevation changes and earthquakes in Italy's Campi Flegrei volcanic area are caused by rising pressure in a geothermal reservoir -- not magma or its gases, as commonly thought.

Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

Researchers diving in a submersible in the eastern Pacific realized that the landscape they had studied the day before had ...

Secondary gravity waves are ripples in the atmosphere created when primary gravity waves, like those triggered by a volcanic ...

Oregon is not just misty mountains and trendy cities. This unexpected high-desert landscape near Bend is a unique "badlands" ...

Using 3D imaging, a team from UNIGE explains this phenomenon and paves the way for better risk prevention. Illustration of an erupting volcano Over 800 million people live near an active volcano. Some ...

The likelihood of Alaska’s Mount Spurr volcano erupting has decreased - but Alaskans aren’t out of the woods yet, according to geologists. The volcano, which is located less than 100 miles ...

Hawaii’s Kilauea volcano started shooting lava hundreds of feet into the air during its latest eruption on Wednesday, April 16. The volcano entered episode 18 of its period of activity on Wednesday’s ...

Scientists provided an update Thursday on the chances of an eruption of the Mount Spurr volcano in Alaska, a situation being closely monitored by officials in Anchorage, the state’s largest city.

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 ...