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

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 ...

In its history, Arizona has battled major wildfires that have scorched large swaths of land, and now new ones are climbing up ...

Towering ‘fire clouds’ are turning wildfires into their own weather systems, making an already brutal battle even harder for crews on the ground.

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.

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

Two wildfires burning in the western United States — including one that has become a “megafire” on the North Rim of the Grand Canyon — are so hot that they are spurring the formation of “fire clouds” ...

The Dragon Bravo Fire has exploded to over 105,000 acres, making it the largest wildfire in the United States so far this ...