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 ...

The cloud of smoke inundating the East Coast on Wednesday — fueled by more than 400 active fires burning across Canada, with more than half of them considered “out of control” — underscored how ...

Indian authorities have initiated a cloud-seeding experiment over New Delhi in a bid to combat the city's severe air ...

The next time authorities issue a smoke advisory telling residents of California areas previously unaffected by wildfires to stay inside with closed windows and doors until a smoke cloud passes by or ...

Wildfire smoke from Canada and Saharan dust from Africa may intersect over NC. Air quality risks remain for sensitive groups, despite high-altitude dust levels. Residents should limit outdoor activity ...