Four climbers went up and down Everest in under a week with the help of xenon gas—a record-breaking ascent that has ignited ...

A solo female climber was nearing the summit of California’s second-tallest mountain last week when she fell, injuring her ...

The red sprite lightning, a type of high-altitude lightning, was observed by astrophotographers Angel An and Shuchang Dong, marking a significant moment in the study of transient luminous events ...

It was just before 5 p.m., June 12 when two hikers on Kelso Ridge, heading toward the summit of Torrey's peak in Clear Creek ...

This extraordinary event is known as a sprite — or “farfadet” in French — one of the rarest forms of Transient Luminous ...

Startled 911 callers alerted police and medics to a lightning strike at the Northland High School field, describing how the ...

The discovery not only confirms that Himalayan thunderstorms can produce some of the world’s most complex phenomenon.

Two hikers rescued after being struck by lightning on Torrey’s Peak, prompting a historic high-altitude rescue. Safety tips for Colorado high peaks.

Two men who were struck by lightning on a Colorado peak were flown to safety in what is believed to be the highest helicopter rescues on record in the state.