The two fires have burned through more than 800 acres in Baraga and Marquette counties, the DNR said late Monday.

Faced with a warmer, smokier future, scientists work to understand the environmental and health risks of aged wildfire plumes ...

An open-source, low-cost sensor developed by Colorado State University and US Forest Service researchers pairs air-quality readings with GPS and physiological data to reveal how wildfire smoke affects ...

The Midwest and Northeast registered some of the worst air quality in the world last week as wildfire smoke shrouded cities from Minneapolis to New York in an apocalyptic haze. More than 100 million ...

Wildfire smoke from fires burning in Canada and northern Minnesota has been pouring across the Great Lakes and northeastern U.S. states, turning skies an eerie shade of orange. In the West, ...

Wildfire smoke continues ot move east from large fires in Canada. Even when the smoke is unseen, it carries dangerous metals.

The largest city in the Brazilian Amazon, Manaus, closed public schools on Friday as smoke from hundreds of wildfires ...

A summer of persistent wildfire smoke is already fading into memory, but a researcher studying the long-term health effects ...