Smoke from Canadian wildfires will make breathing outdoors difficult today for millions of people across the six largest provinces and into the United States.

Halton Region Public Health confirmed the first case of rabies in a bat this year after finding the infected animal in Aldershot, a neighbourhood in Burlington.

Higher-than-average rainfall in recent days has led to rising water levels along the St. Lawrence River.

A pet dog in Oshawa has died after testing positive for avian flu, the Canadian Food Inspection Agency says. The CFIA says the number of documented cases of H5N1 — also known as avian flu — in other species like cats and dogs is low, and based on current evidence, the risk to the general public remains low.

Earlier this year, Merrijoy Kelner was walking through a park in the Annex when a raccoon attached itself to her leg and began viciously biting her. Animal services later captured the raccoon, and it tested negative for rabies.

Most bird species are slow to change their songs, preferring to stick with tried-and-true tunes to defend territories and attract females — but this shift went viral across Canada.

The City of Toronto is asking residents to stop feeding a family of foxes that have made a boardwalk in The Beaches their home.

Unusual raccoon and red fox activity in Toronto.

Her right hand protected by an old plastic bag, Donna Devlin carefully reaches into a shallow sewer basin in her driveway, and drags out a dead rat the size of her forearm. It's the latest casualty in a war that Devlin and her neighbours say they've been fighting, on and off, for two decades.

Strong winds and freezing temperatures left an upstate New York lake house encased in a shell of ice.

Students and teachers at hundreds of Toronto schools without air conditioning sweltered their way through record-breaking heat on Wednesday, as the city’s largest school board said it understood why some parents might choose to keep their children at home.

Study finds Zoloft, Celexa, Prozac and Serafem in multiple Great Lakes fish species — possibly changing their behavior and impacting the ecosystem

April’s high levels of rainfall led to continued flooding across the Greater Toronto Area‘s many beaches, creating a “breeding ground” for mosquitoes and West Nile Virus.