Noctilucent cloud season is upon us! Here's what you need to know about when to catch the spectral phenomenon as we move into ...

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

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

despite wildly different atmospheres Clouds are "a visible mass of particles of condensed vapor (such as water or ice) suspended in the atmosphere of a planet (such as the earth) or moon." ...

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

Peering deep into the fluffy atmosphere of WASP-107b they discovered not only water vapor and sulfur dioxide ... silicate particles can freeze out to form clouds. However, in the case of WASP ...

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

depending on how long it takes for the water vapor to travel upward in the atmosphere where the clouds form. Rare clouds that glow in the dark are the most vibrant in 15 years Overall, Millán ...

Clouds form when water vapor – an invisible gas in the atmosphere – sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published ...

Clouds form when water vapor—an invisible gas in the atmosphere—sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published ...

Technically called “cumulonimbus flammagenitus,” pyrocumulonimbus clouds are a rare weather phenomenon caused by intense heat. These towering clouds form ... the water vapor it carries ...