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

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

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

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

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

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

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

The Thomas fire created a huge pyrocumulus cloud in December 2017. The Mountain View fire that largely destroyed the small town of Walker, Calif., this week gave rise to a similar phenomenon.

A wildfire burning in a sparsely populated region of central Oregon has become the largest fire this year and is on the verge ...

Pyrocumulus clouds can also increase wildfire spotting, which is when a fire produces sparks or embers that are carried by the wind and start new blazes beyond the zone of the main one.