Two massive wildfires burning in Arizona and Utah are doing more than scorching the landscape. They’re generating towering “fire clouds” that make firefighting nearly impossible. These towering ...

Videos circulating on social media Thursday show the fire generating massive pyrocumulus clouds — also known as pyroclouds or "fire clouds." ...

The Dragon Bravo Fire exploded in size to 105,415 acres along the Grand Canyon’s North Rim on Thursday as heat and strong ...

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.