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 ...

If you looked up earlier Monday morning you may have seen some odd-looking clouds in eastern Iowa. These clouds seemed to look like a bunch of jellyfish in the sky. However, these cool-looking clouds ...

Have you ever looked up at the sky and noticed how clouds often form in distinct layers, with some huddled close to the ground while others seem to float high above? The stratification of clouds in ...

The Organisation for Economic Co-operation and Development lowered its projections for 2025 and 2026 global gross domestic product growth. The Federal Reserve lowered its expectations for US growth ...

These clouds, which have a shimmering silvery-blue color, are mainly made of ice crystals and form at altitudes of 50–70 ...

MISSOULA, Mont. — Early Tuesday morning, a delicate, wispy cloud type rarely seen formed over western Montana, lighting up the pre-dawn sky. They were visible looking north from the NBC Montana ...

The universe is full of cosmic masterpieces, none more so than this stunningly evocative vista of the Chamaeleon I dark cloud. Chamaeleon I is part of the closest star-forming complex to us, 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 ...

The outline of a nebula bat formed from glowing interstellar clouds | Credit: ESO/Digitized Sky Survey 2 Astronomers have captured the glowing "wings" of a vast nebula shaped like a bat, unfurling in ...