In early July 2025, an extraordinary event in Earth’s upper atmosphere was photographed by astronauts aboard the International Space Station (ISS). This rare occurrence, which unfolded about 400 ...

These occur at 80 kilometres altitude above our planet, where the density of the atmosphere is similar to that of Mars’ at 35 kilometres. The newly discovered Martian clouds therefore occur in a ...

Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

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

Airborne hydrophilic microplastics in cloud water at high altitudes and their role in cloud formation. Environmental Chemistry Letters, 21 (6), 3055-3062. doi: 10.1007/s10311-023-01626-x ...