Lightning, which is more common in hotter temperatures, is usually the cause of wildfires that burn the most land. In 2023, ...

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...

Being exposed to lingering fine particulate matter (PM2.5) from wildfire smoke can have health effects up to three months ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...