Here's when and where to look for the best chance of seeing Noctilucent, 'night shining' clouds in summer 2025.

Cloud formations are a key indicator of atmospheric conditions, and flat clouds with fluffy tops are especially telling.

Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

Noctilucent cloud season is upon us. If you’re in the Northern Hemisphere this summer, keep your head to the skies at sunset ...

The results reveal that PWV derived from NIR sensors tend to underestimate the water vapor values with the existence of cloud, as NIR signals cannot penetrate the cloud. Under “Clear” condition, the ...

The fleeting glow of noctilucent clouds is once again making its appearance in Earth’s upper atmosphere, signaling the start ...

Scientists say they’ve seen ammonia emitted from penguin poop result in the creation of fog. The clouds created may be ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different types.

In Antarctica, penguin droppings are emerging as unexpected climate allies. Research indicates that ammonia from penguin ...

New research shows that penguin guano in Antarctica is an important source of ammonia aerosol particles that help drive the ...

Volcanic ash from eruptions can reshape cirrus clouds, forming giant ice crystals and altering how Earth traps heat in the ...