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

An Indonesian volcano spewed a 10-kilometre (6.2-miles) molten plume of ash topped by lightning into the Friday night sky, weeks after another huge eruption triggered dozens of flight cancellations in ...

Mount Etna's Voragine crater erupted for the first time in two years. — -- Italian residents were treated with quite the spectacle on Thursday. Fire and lightning lit up the sky over Sicily after ...