Dangerous heat and humidity build from Toronto to St. John’s

Atlantic Canada heat wave triggers fire and activity bans

Evacuation lifted for some Holyrood, N.L., residents as Que., Ont. send support

Lightning's cosmic origin confirmed by new research

Auroras to dance across Canada Friday, but smoky skies may interfere

The Eiffel Tower gets bigger every summer – here’s why

Great Barrier Reef suffers record coral decline following mass bleaching

Extreme weather caused by climate change cancelling more major events: Study

Climate change helping rats thrive in Canada, experts say

Meet the murder hornet's Canadian cousin

Bed bugs can’t hide from this specially trained dog’s nose

Can we forecast the next algae bloom? Researchers are working on it

Best practices to keep yourself safe from wildfire smoke

How 'eco improv' can help manage climate anxiety

New study suggests we've been wrong about how sweat forms