The Dragon Bravo wildfire has been burning for over a month, and U.S. firefighting agencies are too understaffed to stop it.

Flames from the Dragon Bravo Fire near the Grand Canyon are creating a massive cloud of smoke, known as a pyrocumulus cloud.

A New Jersey hiker has been missing for more than a week in Arizona’s Grand Canyon National Park where a raging “mega-fire” ...

Pyrocumulus clouds, otherwise known as flammagenitus or “fire clouds,” develop due to “convection initiated by heat from ...

Thomas Daniel Gibbs, 35, of New Jersey, went missing in the Grand Canyon days before a mega-fire was declared, remaining ...

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

Crews are wrapping up suppression efforts on the White Sage Fire, which prompted evacuations in northern Arizona over three ...

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.

The Dragon Bravo Fire has become the largest fire now burning in the continental U.S. and one of the top 10 largest in ...

The wind-whipped wildfire in Arizona and another in Utah are so hot that they’re spurring the formation of “fire clouds” that can create their own erratic weather systems.

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.