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 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 ...

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 ...

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

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 ...

Astronomers have discovered a massive hydrogen cloud, known as Eos, shining brightly in ultraviolet light near our solar system. This newly detected cloud offers fresh insights into how stars and ...

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 ...

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 ...

Proponents of the October 28 cloud-seeding experiment in Delhi claim that the AQI improved from “Very Poor” to “Poor” in ...