A Sydney photographer has captured a rarely-observed rainbow cloud phenomenon called "iridescent clouds". Maria Milford was driving to the Gold Coast when she spotted the iridescent clouds over the ...

Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

Clouds of dust blown off the Saharan Desert into the southeastern U.S. could affect local weather and make sunrises and ...

Get all the news you need in your inbox each morning. Here's what to know about the 2025 Manhattanhenge and when ...

Conditions have to be just right for noctilucent clouds to be visible. They tend to only appear during the twilight hours, ...