Tucson, AZ Current Weather

The Northern Lights may shine over parts of Canada tonight. Will you see them?

Lone star tick bite leads to life-altering allergy for Canadian woman

Your pet goldfish are causing big problems in Alberta waterways

"This is our livelihood"; Ont. resort owners share wildfire story

New CRASH Clock, measuring chance of satellite collisions, is ticking down fast

Cleaning up after tornado hits central Alberta

Google Maps leads Quebec man to 390-million-year-old meteor crater

This familiar but invasive plant can take over in the heat

136°C difference: Amid extreme heat, Earth records its coldest temperature

This tick-borne illness is on the rise in Canada, and it's not Lyme

As El Niño strengthens, is an ‘Atlantic Niña’ developing?

Naming contest for N.S. firefighting helicopters gets funny suggestions

Rare meteorite that hit New Jersey home came from a briny alien world

Fire smart: Three plants to avoid having around your home

Fire outside Wrigley, N.W.T., moves closer to community

Dashcam catches towering landslide toppling buildings

Hair suddenly standing straight up? Take cover immediately

"We were driving through flames to get out": Wildfires ravage NW Ontario

Lake that provides power to millions falls dangerously low

Smoky skies are the new reality in Canada, coming at a cost

Poor air quality due to wildfire smoke can pose unique risks to your pet

Boaters interfere with firefighting efforts near Pemberton

Massive asteroid flyby of Earth will be visible to billions of people. Here's when

Flames engulf halted Ontario train with workers inside

Critical weather satellite returning to duty after major malfunction

At what air quality index level should you stay indoors?

CN workers in viral video of wildfire train cab got out safely, railway says

What happens when Arctic sea ice disappears?

Feral hogs could complicate issues to contain invasive, flesh-eating parasite

Not just air quality, wildfire smoke impacts water, too