Here’s how it works. A streak of purple "lightning" sprawls across the cosmos in a gorgeous new image from NASA. Light and energy twist and turn in an explosive relationship between a stellar ...

Stunning storm photos often emerged from parts of Victoria, New South Wales, South Australia and Western Australia, many with a distinct purple hue. Lightning can come in many different colours ...

The sky above an erupting volcano in Indonesia has turned a stunning electric purple during a lightning storm. Spectacular images captured the spectacle as Mount Sinabung in Karo, North Sumatra ...