Philadelphia, PA Current Weather

El Niño vs. the polar vortex: Canada’s winter wild card is waking up

Tips for picking the perfect pumpkin this year

Leap seconds have helped synchronize our clocks, but their time may be over

From snow to summer: Canada could be warmer than Texas this week

Mars Perseverance rover sets new record for farthest off-world driving distance

Do your winter tires need replacing? Use this simple trick to check

Canadian cities approach or hit 30 C as unusual heat breaks daily records

When you should stop mowing the lawn this fall

Summer and snow split Canada: Now comes the whiplash

'Space Jellyfish' lights up the sky after rocket launch

Play hard, reward yourself: This city is your gateway to winter adventure

See the moment powerful flash flooding knocks down bridge

Meet the destructive invasive species trying to get in your home this fall

Las Vegas strip overtaken by flooding from storm Rachel

Fight flu season with nature: Four immune-boosting foods to try this fall

Monarch migrations are changing with new weather patterns to blame

So long, summer: A final checklist for properly closing your cottage

Tornado hits with 'near unprecedented' intensity for Sicily

How to keep spiders and other critters out of your home this fall and winter

The Northern Lights put on a show

Sipping history: Discovering Porto and its world of Port wine

Winter Sneak Peek: Could this be Canada’s warmest winter on record?

Canada's Winter Sneak Peek: El Niño puts record warmth in play

How hurricanes form: The ingredients that create these powerful storms

Northeast Pacific breaks record for its most active hurricane season

Exploring the secret microclimates of fall at a pumpkin patch

Climate versus weather: What's the difference?

Watch the moment flash flood hits cars on busy street in Santiago

Winter snowfall across Canada may fall victim to El Niño

Why is Canada's Thanksgiving a month earlier than the U.S.?