The right mix of hot, humid, rising air can produce some of the most powerful weather phenomena on the planet.

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 ...

Why do some clouds look like cotton balls while others look like flying saucers? The shapes of clouds reveal different things ...

Is your weather app predicting clouds? No need to pull out that umbrella just yet. Not all cloudy days are the same, or, not all clouds are the same to be exact. There are a number of distinguishing ...

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 ...

SEATTLE — 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 ...

(WLUK) -- The summertime is a great time of year for watching the skies. Clouds of all shapes and sizes can be found. Most of them are harmless, but others indicate weather to be worried about. One of ...

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