Instead, three specific hazards determine whether a storm meets the criteria: tornadoes, damaging winds, and hail. Each of ...

March, and we've already seen a busy tornado season in Oklahoma. And that's all the more reason to learn about the state's wild weather.

Pennsylvania State University researchers have captured the first outdoor proof that trees produce faint ultraviolet glows ...

Coronae glow on the tips of spruce needles, induced by charged metal plates in a laboratory. (William Brune) For the first time, meteorologists have glimpsed the tiny bursts of ultraviolet light ...

Severe storms threaten North Carolina, as research shows atmospheric conditions fueling tornadoes and thunderstorms are becoming more common across the Southeast.

For the first time, researchers have observed and measured weak electrical discharges, known as coronae, on trees during thunderstorms. A new study describes the near-invisible sparkles appearing ...

This week in science: The ESA is investigating a fireball that streaked across the skies in Europe and damaged a house in Germany; scientists detect a spooky glow coming from trees during ...

NASA’s SEaRCH project uses smartphone reports from volunteers to track hail size and storm patterns, combining community observations with satellite data to improve precipitation research.

For the first time, scientists have filmed high-speed video of a phenomenon where trees emit an electrical glow by generating sparks during thunderstorms. The results of a study published in ...

For almost a century, scientists have wondered how thunderstorms might affect forests below them, with many believing that a storm could ignite weak electrical discharges on plants that would catch at ...

When Saharan dust reaches the UK and Europe, as a huge country-sized cloud did over the past few days, it can transform the sky. Tiny particles drifting in the atmosphere scatter blue light while ...