Structure protection being set up in around Dawson City, Yukon, as fires grow

Tornado watches issued in northwestern Ontario amid severe storm potential

Heat, humidity set to intensify in southern Ontario as ridge settles in

What is a mesoscale convective system? How an 'MCS' can spell danger

Hair suddenly standing straight up? Take cover immediately

First artificial solar eclipse from space captured by ESA Proba-3 mission

Startup sells plastic-eating fungi diapers to tackle landfill waste

Canadian heat waves far more likely in the era of climate change

May was world's second-hottest on record, EU scientists say

2 people now confirmed dead in Bow Glacier Falls rockfall in Banff National Park

What are invasive plant species? And how much harm can they do?

Officials step up plans to combat flesh-eating screwworm

No air conditioner? Here's how to keep cool during extreme heat

Extreme heat ahead: Heat stroke warning signs to watch for

From drips to disasters: How to flood-proof your home