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

Flames engulf halted Ontario train with workers inside

Critical satellite monitoring wildfire smoke to return after malfunction

What happens when Arctic sea ice disappears?

Latest El Niño update shows stunning growth

Not just air quality, wildfire smoke impacts water, too

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

Toronto shocked by pale, orange sky as smoke invades the city

Experts are warning Canadians that another tickborne illness is on the rise

This familiar but invasive plant can take over in the heat

PHOTOS: Blanket of wildfire smoke creates eerie skies across Canada

Tick bite sends Canadian to the ER, but not for Lyme disease

How to stay safe from the triple threat of wildfires, smoke and extreme heat

Looking back at the 2021 Barrie tornado with firsthand accounts

Is Canada baking? Here's what the latest drought analysis says

Weird 'space balls' found washed up on a beach, what are they?

Beating the heat with a fan? It may not be as effective as you think

Can you blame the heat for slow internet?

'Pure excitement': Islanders describe spotting tornado off coast of P.E.I.

The do's and don'ts of having a rain barrel

Arctic Sea Ice Day: 5 facts about an at-risk, valuable climate asset

Rare EF-0 captured on camera on Prince Edward Island

Jeremy Hansen is retiring, but Canada still supports NASA's return to the Moon

Mushrooms in your lawn? What it means and what to do

How green spaces can keep urban cities cool in a warming world

Finding holes in your lawn? How to keep damaging skunks at bay

Drowning deaths have spiked in this province

Tornadoes, heat and flooding continue to hit Prairies

One day, all of Earth's plants will disappear. Scientists think they know when

No A/C? Use these tips to stay cool this summer