Imagine driving down a desert highway on a bright summer afternoon when suddenly, the horizon disappears behind a towering wall of dust. Then, within minutes, the sky darkens, visibility drops to zero ...

Skies can turn from clear blue to pitch black as a haboob rolls in. Here’s how this wall of dust forms, and what health experts say is lurking within. A wall of dust, also known as a haboob, ...

They can seem to appear from nowhere, swirling and pulsing as they grow to cover the horizon, reducing visibility to zero as they swallow freeways, streets and entire neighborhoods. They are haboobs, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Massive walls of dust and debris called ...