Active children and adults, and people with respiratory disease, such as asthma should limit prolonged outdoor exposure.

Smoke from Canadian wildfires spread over a third of the US, with poor air quality in parts of New York, New England, and the ...

Thedorf, her 11-year-old daughter Hayleigh and their four dogs are sardined into a silver SUV in a Prince Albert, Sask., ...

Pennsylvania sued the U.S. Department of Agriculture on Wednesday, saying the agency, under President Donald Trump, had illegally cut off funding to it through a program designed to distribute more ...

Due to the extended timeframe that smoke will linger near the surface, the National Weather Service has pushed the air ...

South Carolina officials announced the Carolina Forest wildfire is now extinguished, 95 days after it ignited on March 1.

When the threat of wildfires has forced power to be cut in the tourist town of Calistoga, California, on the edge of Napa ...

Swaths of smoke from wildfires torching buildings and forcing thousands of people from their homes in Western Canada have ...

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

A massive airborne threat the size of the US is set to drop buckets of mud from the sky on the entire Southeast.

Small, remote northern communities face their own unique challenges in firefighting. Mitigation strategies may help lessen the damage and destruction caused by the blazes, experts say.

The FBI has arrested a man on charges linked to last month's car bombing of a fertility clinic in Palm Springs, California, ...