Heat warnings issued in Ontario, nights will offer little relief

Severe weather likely on Sunday, one or two tornadoes possible

Plan ahead: Severe storms, tornado threat targets northwestern Ontario

Tornado debris can travel surprisingly far after a violent storm

NASA satellite captured two solar eclipses in one day

What is the longest domestic direct flight in Canada?

Top UN court says treaties compel wealthy nations to curb global warming

How climate change in the last Ice Age helped create the Bay of Fundy tides

Wildfires send Canada's carbon emissions soaring. Our peatlands emit even more

Goldfish, traps, and currents: Inside Canada’s fight against invasive carp

20 blue-green algae advisories issued for Alberta lakes this summer

This can be a deadly time for one of Canada's 'most endangered' wildlife groups

Leaf Rapids home burns as wildfire leaps river, damages 5 to 7 others

This is one of B.C.'s deadliest bodies of water when it comes to drowning deaths

Can I take antihistamines everyday? Allergy myths busted