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

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 ...

The night sky can host a wide range of spectacular sights like the northern lights, meteor showers and comets, as well as phenomena like noctilucent clouds.You ...

September 12 is Cloud Appreciation Day according to the Cloud Appreciation Society founded in 2005 to encourage people to ...

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 ...

A casual weather observer can make a general forecast just by looking up at the clouds. The types of formations can offer ...

Curious about whether the clouds you see mean sunny skies, roaring storms or a stunning sunset? Here’s your guide to the ...

Mars is a planet of extremes—towering volcanoes, vast canyons, and colossal dust storms that can wrap the planet in a reddish ...

Using data from NASA's James Webb Space Telescope, astronomers have detected clouds made up of silicate, or sand, in the atmosphere of a nearby exoplanet, or planet outside our solar system. WASP-107b ...

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 ...

The surface of Venus is a hellscape with temperatures hot enough to melt lead, but some regions of its atmosphere high over the surface remain cool enough to harbor ice and birth ghostly clouds. When ...