Tornado warnings issued as storms fire up in southern Ontario

Severe storms, tornado risk target Alberta before shifting east

Train of severe storms ends with the Maritimes, beware of strong winds

A meteor shower trio will soon light up the night sky

Northern lights may show up in parts of Canada tonight. Who has the best seat?

Earth just had one of its shortest days in over 50 years

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

In Photos: Intense storms light up the skies in Ontario

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