A hiker had a close call with a charging grizzly bear near the the popular hiking spot of Troll Falls in Kananaskis Country, according to a provincial warning.

When millions of tonnes of rock fell one kilometre into an Alaskan fiord last year, it set off one of the largest tsunamis ever recorded, a monstrous 481-metre wave higher than the tallest viewing platform of the CN Tower, a new study shows.

"I can't imagine having half my face ripped off and then going about business as usual," is how Dayna Slater expresses her admiration for a crow that has warded off capture for several weeks.

What was that in the night sky? It’s a question being asked by many residents across B.C. and parts of Alberta after an unusual sighting Tuesday night.

Palestinians living in tents amid the rubble in the Gaza Strip and aid groups trying to help them say rodent infestations have left them suffering from diseases and unsure how to cope.

Around 240,000 pieces of artifacts found at an archaeological site in Moose Jaw, Sask., are highlighting the long human history in the Wakamow Valley.

With cocaine and its metabolite, benzoylecgonine, being detected in waterways across the globe, Canadian researcher Erin McCallum and her team set out to understand the impact of these illicit drugs on fish in Sweden.

Witnesses along Vancouver’s seawall saw the collision unfold in the water near Siwash Rock in Stanley Park around 7:30 p.m. PT on Monday.

More grey whales have washed up dead off the west coast of Vancouver Island, bringing the total to seven found dead.

The abundance of what Alberta's government calls "feral horses" has reached "unacceptable" population levels, according to the province's horse management strategy. Results from the province's annual feral horse survey released in April found the highest free-roaming horse numbers ever counted along the eastern slopes of the Rocky Mountains.

Calving season, the most labour-intensive part of a beef producer's year, could be shortened thanks to a new innovation out of the University of Saskatchewan.

The walls of a corridor that once linked two theatres in the ancient Roman city of Pompeii hold hundreds of inscriptions made by residents before Mount Vesuvius erupted almost 2,000 years ago. An international research team is now using a very modern technique to bring them to life.

Concerns are growing about how some young people engage with AI chatbots. Meta is rolling out a tool to let parents monitor topics their children discuss at the same time as Manitoba is proposing banning use of AI chatbots for youth. More research is needed, but evidence suggests some risk factors for mental health.

The Artemis II lunar mission is over, and NASA is already looking ahead, planning to put astronauts on the surface of the moon by 2028. But there are a lot of hurdles that need to be cleared before that happens.

McKeever and Judson, the pair of nesting falcons at the Sheraton Hotel in downtown Hamilton, have three new chicks.

A recent spotted lanternfly discovery in St. Catharines, Ont., is renewing concern about the destructive insect reaching Canada from the United States. Experts say the invasive insect poses a serious threat to vineyards, fruit trees and hardwoods because it feeds on plant sap and can kill grapevines.

A company that was aiming to build its first small modular nuclear reactor in New Brunswick is putting some of its assets up for sale as its future in the province is increasingly in doubt.

As hospitals increase their use of artificial intelligence to improve patient care, a U.S. study has found that an AI tool has proven effective at making emergency medical diagnoses — even better than actual doctors, in some cases.

Seasonal allergies are getting worse in Canada, with longer and stronger pollen seasons, largely thanks to climate change. Here's a primer on the hardest-hit cities, the latest science and what treatments can help you survive another allergen-filled spring and summer.

As Metro Vancouver’s population grows and its reliable snowpack shrinks, the race is on to secure the region's water supply for the next century. But the solutions on the table are bolder than you might expect, ranging from tapping backup lakes to giant straws and massive dam expansions. CBC's Johanna Wagstaffe investigates how the city plans to keep the taps running. Correction: This video was edited after it was first published to correct spelling errors in the names of two people.