The wildfire—one the few to burn more than 100,000 acres this summer—is burning on the more remote North Rim 11 miles away.

The Dragon Bravo Fire exploded in size to 105,415 acres along the Grand Canyon’s North Rim on Thursday as heat and strong ...

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

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: A pyrocumulus is a fire cloud. A pyrocumulus cloud forms from rising air that results from intense heating of the surface by phenomena such as wildfires or volcanic eruptions. The fires that ...

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.

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