A crack of lightning, a burst of heat, and suddenly a glowing sphere hangs in the sky like a craft from another world. Scientists now say this is not fantasy or folklore, but hard physics, after a ...

Hovering blue flames that flicker over bogs and marshes have inspired ghostly folktales for centuries. Known as “will-o’-the-wisp,” “jack-o’-lantern,” “corpse candle” and “ignis fatuus” (“foolish fire ...

A single green laser, a glass bead smaller than a bacterium and a lab in Austria are helping you see lightning in a new way. Scientists have found a way to watch an object build electric charge in ...