A time-lapse video shows a fire cloud rolling over the Grand Canyon as a ‘megafire’ continues to rage on across northern ...

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 ...

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.

The Dragon Bravo Fire exploded in size along the Grand Canyon’s North Rim this week as heat and strong winds drove the growth ...

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.

Two wildfires burning in the western United States — including one that has become a “megafire” on the North Rim of the Grand ...