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

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 ash from the Hayli Gubbi eruption has disrupted operations from India to multiple countries, including the UAE. Authorities in Oman and Saudi Arabia said they are tracking the plume as it ...