Learn how ash from volcanic eruptions can alter ice content in clouds, influencing how Earth handles radiation.

Volcanic ash from eruptions can reshape cirrus clouds, forming giant ice crystals and altering how Earth traps heat in the ...

Josh Green signed into law a first-of-its-kind climate impact bill Tuesday at the state Capitol. The governor was flanked by ...

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

It's been 45 years since the Mount St. Helens eruption in Washington state. British Columbians who were young adults at the time remember how the sky changed as the volcanic ash arrived.

A volcano that has not erupted in 250,000 years has shown signs of returning to life. Scientists warned that an eruption ...

Indonesia's Centre for Volcanology and Geological Disaster Mitigation has elevated the alert status of Mount Lewotobi in East ...