High winds and dry conditions are fueling the flames of the Lee fire, which is now the sixth-largest in Colorado’s history ...

The Dragon Bravo Fire, situated at Grand Canyon National Park’s North Rim, is now the largest wildfire in the continental ...

There were 8 new fires reported across the U.S. on Wednesday, as crews work to manage 42 uncontained large fires covering 576 ...

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 ...

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

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 ...