Science Behind the Weather: What is a derecho?

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Science Explained

Science

Today's top Science news from The Weather Network

Featured Science News

What is a mesoscale convective system? How an 'MCS' can spell danger

Tornado debris can travel surprisingly far after a violent storm

NASA satellite captured two solar eclipses in one day

Space

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

Space News

What is the longest domestic direct flight in Canada?

Yellowstone is hiding more than 80,000 earthquakes below its surface

Earth Science

The latest in earth science news from The Weather Network

Aurora Borealis may shine over parts of Canada this weekend

Tired of humidity? Blame corn sweat for the muggy air

A meteor shower trio will soon light up the night sky

Northern lights may show up in parts of Canada tonight. Who has the best seat?

Earth just had one of its shortest days in over 50 years

Ancient Canadian fault could produce major earthquakes in the future

An alien comet is now passing through our solar system. Here's what we know

From flames to forecasts: How wildfire smoke affects your weather

Largest piece of Mars found on Earth sells for millions, sets new auction record

Scientists have detected the largest black hole merger yet. Why it matters

How the Great Lakes can trigger storms on a hot summer day

Canada's fire bans and danger ratings explained

First Full Moon of Summer 2025 shines this week

Watch? Warning? How we communicate severe weather in Canada

Could a cow really get swept up by a tornado?

Astronaut captures amazing red sprite phenomenon from space

Researchers may have finally found meteorites from Mercury

Look up! What's going on in the July night sky?

How weather can impact Canada Day firework displays

Don’t make this deadly mistake when waiting out a storm

Tropical systems don’t need a name to trigger devastating floods

Why does your toilet water slosh around on a windy day?

Scud clouds are scary tornado lookalikes – how to tell them apart

Largest camera on Earth reveals astounding new cosmic views

Why no hurricane has ever crossed the equator

Why you'll never hear of a hurricane with these names

A train of risks: Extreme heat's hidden impacts on a vital industry

How supercells grow to produce giant hail and intense tornadoes

The science behind spectacular Canada Day firework displays

Hair suddenly standing straight up? Take cover immediately

First artificial solar eclipse from space captured by ESA Proba-3 mission

On this Summer Solstice, will you have one longest day or two?

'Feel' miserable out? How our bodies react when humidex values soar

Heads up! These six special clouds linger in our skies every day

Rivers may fuel explosive strengthening of major hurricanes

Island churns out dramatic displays of swirling clouds

Amazon deforestation causing measurable drop in rainfall: study

Northern Lights may shine this weekend due to speedy solar wind

Asteroid's odds of hitting the Moon have now more than doubled

The last Full Moon of spring shines in the sky this week

Why the world's oceans are getting darker

Trees may be able to help us predict volcanic eruptions

More Northern Lights displays possible across Canada tonight

Look up! What's going on in the June night sky?

Rat populations are exploding in major cities, and climate change is to blame

What happens to your body if lightning strikes it

What is a shelf cloud? The science behind this dramatic formation

This invasive beetle could be destroying your summer bloom

Painful sun poisoning goes viral, and yes that is a real thing

Intense winds knock people off their feet ahead of typhoon

One system, four seasons: Conquer Canadian temperatures with heat pumps

What is swimmer's itch? And how can you treat it?

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