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 ...

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 ...

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, ...

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 ...

Missourians often associate lightning with thunderstorms or the occasional snowstorm, but other parts of the world also experience lightning in some different scenarios. Residents along coastlines may ...