Arm River No. 252, SK

The frightening reason violent EF-5 tornadoes are so rare

Iceberg flipping over shows how unpredictable they are as tourist season nears

Beachcomber stumbles upon fossil possibly 290 million years old

Falling space junk hits house and punches through several floors

Bizarre alien 'spiders' spotted in 'Inca City' formation on Mars

Are rain barrels worth the effort? Here are the benefits

What are microplastics doing to human health? Scientists work to connect dots

Orphaned orca calf finally free after a month trapped in a lagoon

Technology can detect wildfires. Do humans still have to?

Powerful tornadoes break out across several U.S. states on Friday

PHOTOS: Highway camera captures stunning tornado on the horizon

Cherry blossoms are in bloom in southern Ontario. Here's where to see them

Don’t fall victim to these seven dangerous tornado myths

Waiting to change those winter tires? Here's what you're risking

Air quality in parts of U.S. worst in 25 years, wildfires to blame

What is cloud seeding and why is it used?

Could climate change bring paradigm shift in biodiversity tracking?

Monster tornado seen causing damage Friday afternoon in Nebraska

Skies in Greece take on a surreal orange hue as Saharan dust sweeps through

A forest of broccoli? Where to find this unique ecosystem in Canada

Tornadoes can happen anywhere—and cities aren't immune

Filmed during Hurricane Fiona, this new Canadian film embraces East Coast weather

Juno reveals 'smooth as glass' lava lake on Jupiter's moon, Io

Saharan dust turns Athens into a scene from a sci-fi movie

Endangered frogs featured on new Canada Post stamps

Northwestern Alberta residents forced to flee due to wildfire

Safeguard your home, community against wildfires before it's too late

How to stop squeaky wiper blades with this simple hack

Cars float down streets as deadly floods hit China

Water restrictions are returning in Alberta, here's what you can and can't do