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

A new sponge-like material uses sunlight to harvest water from air, offering an efficient, low-cost solution for water ...

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

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.

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

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 ...

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

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

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

Benneke’s team points out that conditions in the atmosphere of K2-18b might allow for the formation of liquid water droplets—and maybe even rain. Water-vapor clouds have been found before in ...