Time-lapse footage shows the Dragon Bravo Fire generating a massive pyrocumulus cloud, formed when intense wildfire heat drives smoke high into the atmosphere. These fire clouds can become powerful ...

Two massive wildfires burning in Arizona and Utah are doing more than scorching the landscape. They’re generating towering ...

The wildfire—one the few to burn more than 100,000 acres this summer—is burning on the more remote North Rim 11 miles away.

Without more details about the early response to the Dragon Bravo Fire, the same mistakes could be repeated, and not just at the Grand Canyon.

Pyrocumulus clouds can also increase wildfire spotting, which is when a fire produces sparks or embers that are carried by the wind and start new blazes beyond the zone of the main one.