As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

At Neptune Aviation, an aerial firefighting company based in Missoula, maintenance crews work throughout the winter to keep ...

The hot-pink mix of water and chemicals, which is sprayed from planes to combat wildfires, is under renewed scrutiny.

California Air National Guard video shared Wednesday shows a pilot’s point-of-view as the aircraft flies over and drops retardant on the Hughes Fire in Castaic, near Los Angeles. The planes can ...

Sound up! Here's what it's like to be in the cockpit of a California National Guard MAFFS C-130J over the Hughes Fire. You ...

The product, developed by Barrett Deng and Sebastien Burkhardo in a Silicon Valley garage, got its first real-world test in the Palisades and Eaton fires.

The Hughes Fire in northern Los Angeles County near Santa Clarita has led to mandatory evacuation notices for Interstate 5.

A fast-moving wildfire, dubbed the Hughes Fire, has exploded near Castaic Lake in Los Angeles County, forcing thousands to ...