Alberta storm threat: Beneficial rain, but risk of very large hail

La Ronge evacuees to begin returning home Thursday

Drop in air quality returns to Ontario with wildfire smoke, storm risk

The last Full Moon of spring shines in the sky this week

Why the world's oceans are getting darker

Trees may be able to help us predict volcanic eruptions

Earth's CO2 levels just broke another record. Here's what that means

Busting bin myths: What really happens to your recycling in Manitoba

Arctic warming seen at three times global average in years ahead: UN agency

Beware of this giant, ‘toe-biting’ water bug this summer

Are your peonies covered in ants? Experts say that's great news

Rare black iceberg spotted off Labrador coast has social media buzzing

Nova Scotia sends 20 firefighters to Saskatchewan to aid wildfire battle

Wildfire smoke can harm your brain, not just your lungs

Study: Time in nature reduces pain symptoms for people with chronic back pain