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 ...

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 ...

Volcanic lightning is a striking and multifaceted phenomenon that occurs during explosive eruptions, when vigorous interactions between fragmented ash particles, volcanic gases and environmental ...

In the midst of a volcanic eruption, lightning can streak across the ash and smoke above it, but what do we think causes ...