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 ...

When Alaska's Redoubt Volcano rumbled to life three years ago, researchers rushed to the scene to deploy radio sensors to catalog and map lightning within the plume. The readings, the team now reports ...

Volcanic lightning photos are some of the most impressive out there, in my opinion. Volcanic lightning is a striking and rare phenomenon that occurs during some volcanic eruptions. As ash, rock and ...

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, ...

Triggered by lightning in thunderstorms, whistler waves are radio waves that are channelled thousands of kilometres around the world via ducts in the magnetosphere. As Ian Randall reports, these ...

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 ...

Physicists have solved a longstanding mystery around the process that creates volcanic lightning: when similar particles rub together, why do some become positively charged while others become ...

The likelihood of an Alaska volcano’s explosive eruption not far from the state’s largest city has increased, according to researchers. Officials with the Alaska Volcano Observatory reported Wednesday ...