Two massive wildfires burning in Arizona and Utah are doing more than scorching the landscape. They’re generating towering “fire clouds” that make firefighting nearly impossible. These towering ...

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

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