The wildfire that destroyed the historic Grand Canyon Lodge​ earlier this month has expanded in recent days, fueled by hot, ...

Canadian wildfire smoke is causing poor air quality today. Those with respiratory issues should limit outdoor time. Inland highs near 90 degrees, cooler along the coast.

SALT LAKE CITY (AP) — Two wildfires burning in the western United States — including one that has become a “megafire” on the ...

Pyrocumulonimbus clouds look much darker than typical clouds because of their large amounts of smoke and ash. They can reach heights of 50,000 feet and generate their own systems of thunderstorms.

A new NASA-led study helps answer decades-old questions about the role of smoke and human-caused air pollution on clouds and rainfall. Looking specifically at deep convective clouds — tall ...

Person captures rainbow-colored swirl in cloud. Here’s what it likely was The API failed to deliver the resource. The 13 First Alert Weather team says it's likely what's called cloud iridescence.

Video captured in Oak Harbor shows a rainbow-colored swirl in the clouds. The 13 First Alert Weather team said it was likely what is called cloud iridescence. Oak Harbor residents were awe-struck by ...