The deadly heat wave that spawned a destructive Ontario derecho

Ontario campers beware: Severe storm, tornado risk builds Saturday

La Niña could return in a quick burst this fall and winter

An alien comet is now passing through our solar system. Here's what we know

First Full Moon of Summer 2025 shines this week

Watch? Warning? How we communicate severe weather in Canada

How seawater and limestone could be used to reduce maritime emissions

Climate-proofing homes more important than ever, say experts

We don’t know what happens to the waste we recycle, and that’s a problem

More great white sharks in Canadian Atlantic waters isn't cause for concern

Parts of Alberta treated to 'night-shining clouds,' the rarest cloud type

Manitoba declares state of emergency as wildfires force new evacuations

Indoor PM2.5 spiked above safe levels during June wildfire smoke, report shows

How hot weather can worsen some pre-existing health conditions

A symphony of storms: How Mother Nature rocks in the ultimate ride