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

A dramatic pyrocumulus cloud, or fire cloud, formed as the large Dragon Bravo Fire burned along the Grand Canyon's North Rim ...

Timelapse footage captured a pyrocumulus cloud, or fire cloud, rising into the sky over Arizona as the Dragon Bravo Fire ...

Wildfires burning at the Grand Canyon and in Utah are so hot that they're spurring the formation of "fire clouds" that can create their own erratic weather systems.

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

Both it and the Monroe Fire, burning further north near Monroe, Utah, are generating pyrocumulus clouds — sometimes called ...

Historically dry conditions have combined with gusty winds to make it harder for crews to get a handle on a wildfire burning ...

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.

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

Firefighters are having a lot of trouble controlling the fire that destroyed the historic Grand Canyon Lodge. Rapid growth now threatens a remote and fragile forest ecosystem.