Clouds need two essential ingredients to form, and both must be present simultaneously for the process to begin. There are two ingredients needed for clouds to form: water and nuclei. The first ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Lenticular clouds, like this one over a mountain in Chile, can look like flying saucers. Bilderbuch/Design Pics ...

Add Yahoo as a preferred source to see more of our stories on Google. This week's question comes from Regina, who asks about one of the basic elements of our weather, "Why do clouds form?" ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Answer: As you'll note when you watch timelapse movies of clouds, they are as much "processes" as objects, so there are a variety of things that happen to clouds as they move along, developing, ...

Satellite data show that U.S. cities have more nighttime cloud cover than nearby countryside, and building height and density ...

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 ...

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 ...