Atmosphere

French photographer Florian Rioux captured rare red sprites over the Mediterranean, photographing massive crimson discharges from a storm 500 kilometers away.

Astronomers have detected helium gas for the first time in the atmosphere of LHS 1140 b - a rocky planet in the habitable zone, located 464 trillion km away. The breakthrough, made using the Magellan telescope in Chile, proves that Earth-like worlds can maintain a gas envelope for billions of years.