A new NASA-led study helps answer decades-old questions about the role of smoke and human-caused air pollution on clouds and rainfall. Looking specifically at deep convective clouds — tall clouds like ...

Smoke rises from the USS Bonhomme Richard after an explosion and fire on board the amphibious assault ship at Naval Base San Diego in 2020. Extreme heat and wildfire smoke are independently harmful to ...

The Los Angeles wildfires have caused devastating losses of homes and lives — and survivors may also face hidden, although still potentially very dangerous, health effects. Wildfire smoke contains a ...

Wildfires in Canada have caused smoke that has moved south into the U.S. Air quality in many parts of the eastern U.S. is poor. There could be long-term health effects of wildfire smoke. Wildfires in ...

The smoke plume from the Dixie Fire—the largest single fire in California state history—got so huge it covered five states. It’s mostly contained now, but at its peak, people across some 2,500 square ...