Fire clouds form when a wildfire burns hot enough to punch a column of air into an unstable atmosphere. And underneath they are dangerous.

A huge fire in southwest France has generated the country's first recorded pyrocumulonimbus fire cloud, which are far more common in Canada. Here's why these clouds are special,…

A wildfire can already devastate forests, homes and entire communities. But some of France’s biggest blazes are now becoming something even more dangerous: they are creating their…