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

The best time to see noctilucent clouds is on clear nights between late May and mid-August, about 90 to 120 minutes after ...

Parts of the United States have gotten an early taste of summer weather, as temperatures and humidity are on the rise. Summer ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

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

The ammonia from Adélie penguin guano reacts with sulfur-containing gases in the atmosphere to aid in forming clouds, which ...

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

Penguin droppings release ammonia that forms clouds, affecting Antarctica's climate and potentially slowing warming.

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

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

This research is crucial, especially in the Himalayas, where changing weather patterns impact millions of people downstream.

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