Forecasts
Localized flooding concerns arise in Ontario as soaking rains linger
Closely watching as Helene moves, but here's why Canada will likely be spared
Severe
What is a state of emergency? How these orders help in a crisis
Tropical Storm Helene forms, hurricane watches in effect for Florida
Outdoors
Lightning is more likely in polluted skies, new study finds
What is 'bathymetry' and how did it contribute to Fiona's devastation?
What is a hurricane storm surge, and why is it so dangerous?
Earth may have once had glittering rings, millions of years ago
East Coast cows are being fed seaweed. Here's why
Canada's emissions dropped slightly in 2023, climate wins offset by oil and gas
The ozone layer is on the road to recovery, UN weather body says
B.C.'s famous golden larches make mountains sparkle in fall
The birds and the breeze: Looking to birds to observe the weather
Jasper is open to visitors again — but what can tourists expect?
Feeling under the weather? These lesser-known immune boosters can help
How fall affects your mood, and how to cope