A pyrocumulus cloud from the Station fire looms over downtown Los Angeles in August 2009. (Don Bartletti/Los Angeles Times) The first full weekend of September, with the Line fire 20,000 acres in size ...

PORTLAND, Ore. (AP) — Smoke and heat from a massive wildfire in southeastern Oregon are creating giant “fire clouds” over the blaze — dangerous columns of smoke and ash that can reach up to 6 miles ...

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 ...

Photographer Jesse Rockwell was able to capture a stunning timelapse of a pyrocumulus cloud forming over the Rey Fire near Santa Barbara, Calif., on Saturday, August 20. According to the American ...

The wildfire that destroyed the historic Grand Canyon Lodge earlier this month has expanded to more than 105,000 acres, fire officials in Arizona said Thursday. A timelapse video captured on Tuesday ...

Hundreds of tourists meander around Mather Point on the South Rim of Grand Canyon National Park, snapping selfies, shooting videos and taking in one of the most awe-inspiring views in the world. The ...

Extreme heat launched the Bear Gulch Fire across 2,000 additional acres of forest on Tuesday and Wednesday, pouring thick smoke on the Hood Canal communities of Hoodsport and Skokomish, Washington.

The first full weekend of September, with the Line fire 20,000 acres in size and only 3% contained, a resident of San Bernardino County described the sky as looking “exactly like a nuclear warhead had ...