An atmospheric phenomenon called "sprites" could be pumping 50 times more energy into the upper atmosphere than was previously thought, suggesting our understanding of the global atmosphere is ...

Nearly 30 years ago, scientists in aircraft miles above the ground finally managed to capture a phenomenon never before confirmed on film. This flash of red light, lasting no longer than a few ...

In less time than it takes a hummingbird to flap its wings once, a recently discovered form of high-altitude lightning can come and go, but not before spreading its multiple-branching red streamers ...

An astronaut aboard the International Space Station (ISS) has snapped a picture of a rare and spectacular atmospheric phenomenon. NASA astronaut Matthew Dominick captured a form of lightning known as ...

Sprites -- named after Puck, a nature sprite in English folklore -- are huge electrical discharges that occur in the mesosphere (50-100km above Earth), which are triggered by positive lightning ...

A sprite glows red (inset) in this image captured by astronauts on the International Space Station on April 30, 2012. Credit: Image Science & Analysis Laboratory, NASA Johnson Space Center ...