ELVES captured above a thunderstorm in Colorado, US

ELVES captured above a thunderstorm in Colorado, US

On June 8, 2016, amateur astronomer Thomas Ashcraft captured an enormous ring of light high above a thunderstorm in southeast Colorado. "It only lasted about a millisecond, but it was definitely there. The ring was about 300 km (186 miles) wide," Ashcraft…

Rare form of transient luminous event over Oklahoma, US

Rare form of transient luminous event over Oklahoma, US

An enormous swarm of sprites was observed across the top of a thunderstorm during a severe weather outbreak in Oklahoma, US on May 23, 2016. The phenomenon was recorded by amateur astronomer Thomas Ashcraft, almost 640 km (400 miles) away, SpaceWeather.com reports,…

Blue jet above the Earth

Blue jet above the Earth

For the first time ever, an image has been captured of an elusive electrical phenomenon above the Earth. An astronaut aboard the International Space Station imaged a kind of electrical discharge in the upper atmosphere known as a blue jet. In this Space News,…

Sprite season begins in northern hemisphere

Sprite season begins in northern hemisphere

Sprite season – spectacular, eerie flashes of colored lights that appear high above the tops of powerful thunderstorms – is underway, SpaceWeather reports. Because sprites are associated with thunderstorms, they tend to occur in late spring and summer. "Sprites…

Sprites form at plasma irregularities in the lower ionosphere

Sprites form at plasma irregularities in the lower ionosphere

Atmospheric sprites have been known for nearly a century, but their origins were a mystery. Now, a team of researchers has evidence that sprites form at plasma irregularities and may be useful in remote sensing of the lower ionosphere."We are trying to understand t