An astronaut aboard the International Space Station has shared a striking photo of what is known as a Transient Luminous ...

Sprites are a type of TLE, which create brilliant flashes of light high above powerful thunderstorms and are difficult to ...

A startup called Gigablue claims to have reached a milestone by selling 200,000 carbon credits for its ocean-based carbon capture technology. The company says its patented particles grow algae ...

On 28 November 1966, an American airplane flies over the Antarctic Peninsula just south of the southernmost tip of Chile. On ...

This year it’ll be a hot, dry and sunny start to the Championships, but the wettest opening day was back in 1969 on 23 June ...

A patch of the Atlantic Ocean just south of Greenland is cooling while much of the world warms. The origin of this "cold blob ...

PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...

Temperatures of up to 34C are expected in the UK as the northern hemisphere experiences the longest day of the year.

La Jolla’s spectacular scenery and village atmosphere provide a lot of opportunities for great photos. Here are some that were taken recently. Send your photos from around La Jolla to ...

At 8 p.m. on June 17, Pittsburgh smashed the precipitable water record of 1.77 inches in 1984 (the 8 p.m. record) with 1.89 inches of precipitable water.

The air moving above the forest carries valuable information about how trees absorb carbon, and what may happen in the future ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall as Earth’s largest volcano ...