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 ...

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 ...

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 ...

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 ...

MOLINE, Ill. — No doubt our skies have been a lot more active recently thanks to a slow-moving upper-level low-pressure system lingering across the Midwest. This has brought not only welcome rainfall ...

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