An image of Augustine erupting on January 13, 2006, from about 50 miles away from the volcano. Courtesy of Gerald Andrew When Mount St. Augustine in Alaska erupted in mid-January 2006 for the first ...

Lightning could be used to estimate the height of an ash plume spewed by an erupting volcano, new research suggests. Subscribe to read this story ad-free Get unlimited access to ad-free articles and ...

Footage captures lightning flashing above an active eruption at Mount Acatenango in Guatemala, creating a rare and dramatic natural spectacle over the volcano. Anderson Cooper bids emotional farewell ...

Volcanic lightning looks surreal: an arc of light rises from the volcanic crater, stretching out into the murky skies. Although scientists knew what caused such frightening yet beautiful phenomena, ...