What is the polar vortex? How it’s responsible for dangerous cold

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Today's top Science news from The Weather Network

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When is the cold too cold? How extreme cold warnings are issued

Freezing rain and ice pellets are dangerous winter hazards

What happened when two bolts of lightning struck Apollo 12

Space

The latest space news from our science writers at The Weather Network

Space News

Watch as winds create mesmerizing fields of gravity wave clouds

Earth Science

The latest in earth science news from The Weather Network

Northern Lights put on a show across Canada, U.S., and parts of Europe

Show isn't over, yet: Northern lights set to give Canada an encore

Geomagnetic storms: When should we look up and when should we worry?

No time to recover: Breaking down Hurricane Melissa's compounding disaster trap

Auroras may be on display tonight in parts of Canada, but where?

Thundersnow is a rare and electrifying experience

What happens if the mega-earthquake hits California tomorrow?

What if Ceres, the largest of all known asteroids, hit Earth?

In Photos: Northern Lights dazzle over Winnipeg as solar storm hits Earth 

Chinese astronauts stuck in space after return vessel damaged by space junk

The Northern Lights may shine above Canada in the nights ahead

'Bizarre' spiral lights up night sky in Canada, U.S.

What's so super about a supermoon, anyway?

Star-eating black hole unleashes record-setting energetic flare

What if all the oceans evaporated from Earth's surface?

The biggest, brightest Supermoon of 2025 rises tonight!

'Weather bombs': Explosive storms that create ferocious conditions

Woman fined for pouring coffee down drain: Here's why you shouldn't do it

Look up! Taurid fireballs and the Perigee Supermoon shine in November

Alien comet 3I/ATLAS just passed the Sun. When will it return to our skies?

Five spooky Hallowe'en sights from the boundless depths of space

Why do we 'fall back'?: The story of daylight saving time

Science behind the forecast: How mets knew where Hurricane Melissa was headed

FALL BACK: Let's set the record straight on daylight saving time

Are you ready for Torontohenge? Here's when you can see it

Last chance to spot Comet Lemmon for over a thousand years is here!

Eyes to the sky Monday night for the peak of the Orionid meteor shower

SUV-sized piece of NASA equipment falls from sky, crash lands on rural farm

What does a classic fall storm look like in your part of Canada?

GOES marks 50 breathtaking years of watching Canada’s skies

Auroras may light up the sky across Canada Thursday night 

Could life be found on Venus? Scientists are trying to find out

Rogue planet astounds by growing at a record rate of 6 billion tonnes per second

The Northern Lights may shine across parts of Canada Tuesday night

See a super rare Super Hunter's Harvest Moon rise tonight!

How do thunderstorms form and grow into immense weather powerhouses?

Another round of auroras may light up the sky across Canada tonight

The Northern Lights may shine again across Canada tonight

How do Atlantic hurricanes get their names?

Meteor showers and the Harvest Moon light up our October night skies

How the Fujiwhara Effect forces hurricanes to dance

The incredible history and tools of the Hurricane Hunters

The Moon may be 'rusting' due to a wind flowing from Earth

Artemis II crew may launch to the Moon as early as February 2026

Welcome to fall! It's the Equinox, but why aren't we seeing equal day and night?

Campers watch avalanche coming right at them from high up mountain

Canadian researcher develops game-changing, long-lasting tick repellent

What makes the Great Lakes the perfect snowmaking machine?

Typhoon unearths centuries-old shipwreck on Vietnamese beach

Why did dumping coffee down a storm drain lead to a fine?

La Niña forecast: What to expect this winter

Test of Canada’s public alerting system, Alert Ready, happens today

Polar vortex disrupted: Rare, atmospheric shift could enhance winter’s path

Change is coming: Canada's road to winter encounters looming shakeup 

Where the sun doesn’t rise: Canada’s North enters polar night

The CPKC Holiday Train tour is coming! Here's how it rolls in any weather

"Grotesque": Two-storey pile of trash illegally dumped in field

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