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” ...

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

A video shared by a local fire emergency team shows thick plumes of orange-hued smoke rise into the sky creating a fire cloud ...

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

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

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 wildfire raging along the Grand Canyon’s North Rim became a “megafire” this week, doubling in size in just a few days and ...

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 ...