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

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 ...

On Earth, lightning can occur in turbulent clouds of volcanic ash. Now researchers have found evidence of sparks in Martian dust devils. (NASA/JPL/Caltech/University ...

August began with a burst of volcanic activity in Indonesia as Mount Lewotobi Laki-Laki erupted, sending ash miles into the sky. Part of the eruption unfolded at night, illuminating the darkness with ...

Indonesia's Semeru Volcano Monitoring Station (PGA) in Lumajang regency, East Java Province, recorded 31 volcanic eruption-related earthquakes just within Tuesday morning.

Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed activity after remaining inactive for approximately 160,000 years. Recent ...