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 ...

You wouldn't think that clouds and snow floating around in the sky get help from bacteria near the ground, but those tiny organisms can lend a helping hand in getting clouds to form. First off, let’s ...

These clouds look unreal, but they are a real phenomenon called Kelvin Helmholtz clouds. They form when one layer of air ...

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 ...

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 ...

ABILENE, Texas (KTAB/KRBC) – Have you ever looked up at the sky and wondered, “What kind of clouds are those?” Sometimes, they look like little fluffy blobs; other times, they tower like skyscrapers, ...

Clouds bright enough to see at night are not as hard to find as they once were. These so-called night-shining clouds are still rare — rare enough that Matthew DeLand, who has been studying them for 11 ...