The first report of this unusual cloud appeared in Weather magazine in 1948, in an article titled “Man-Made Cirrus?” The ...

This week's question comes from Regina, who asks about one of the basic elements of our weather, "Why do clouds form?" Meteorologist Rob Shackelford: This might sound like a weird analogy, but I need ...

New research shows most long-lasting contrails form inside natural clouds, reshaping how airlines plan climate-friendly ...

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 atmosphere is full of tiny particles floating invisible to the naked eye, yet these microscopic specks wield ...

Contrails in the blue sky remind us of daily air traffic—and its impact on the climate. However, the effect of contrails on ...

Long-lived contrails form predominantly not in cloud-free skies, but within already existing ice clouds. This is the ...

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 ...