The air around and above us always has some water vapor and some particles in it. The particles could be dust or salt or even ...

Have you ever looked up at the clouds in the sky and wondered how they form? Understanding cloud formation is really important for studying weather patterns and making accurate forecasts. Those clouds ...

Answer: Clouds form when sufficiently moist air is cooled to the dew point temperature of the air or below, so that either liquid water droplets form on cloud condensation nuclei, or in the case of ...

Ever looked up at the clouds and wondered where they came from? That's exactly what atmospheric researcher Lubna Dada studies at the Paul Scherrer Institute. She is part of an international project ...

Brenda wants to know exactly how clouds form. Different types of clouds form in different ways but they must all have air rising to cool and condense water vapor into tiny water droplets or ice ...

With Michigan's changeable weather, residents get to see a lot of different cloud formations — fluffy cumulus, wispy cirrus and dark, threatening cumulonimbus — and recognizing what weather each type ...

Even a clear sky contains layers of wet and dry air, that is, layers with different humidities. You can’t see these layers unless the humidity is high enough for the moisture in the layer to condense ...

We stare at clouds all the time, whether trying to figure out what they look like or if they're bringing rain. Yet most of us know very little about clouds, let alone how to identify them. The World ...

NORFOLK, Va. — Technically called “cumulonimbus flammagenitus,” pyrocumulonimbus clouds are a rare weather phenomenon caused by intense heat. These towering clouds form when extreme heat from a ...

Astronomers have struggled to explain why a long and thin cloud forms above Mars’s Arsia Mons volcano each year, until now ...