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.

Firefighters say they stopped the progress of the Kenneth fire as Los Angeles struggles ... Are Vanishing from Modern Builds LA firefighters spray retardant on Kenneth wildfire I've been to ...

In an effort to combat the increasing risk of wildfires, firefighters in San Diego are employing a new tool to protect ...

then they use their trucks to douse each power pole with fire retardant — the same substance that's dropped by firefighting aircraft from above. They try to spray it as far up the pole as ...

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?