A rising number of Canadian facilities are using mobile brain scanners to help patients, by offering MRIs mid-surgery in hospital or diagnosing stroke right on the roadside. So what's the future of this game-changing technology?

The Carney government's strategy to protect nature is expected to be released in the coming weeks — and some nature advocacy groups worry it won't come with any new funding.

A new investigation by animal rights advocates shows horses being flown for slaughter in Japan continue to suffer injuries, illness and even death, reigniting the call for Canada to ban the shipments.

The World Health Organization issued a warning Tuesday about toxic pollutants in the air after U.S.-Israeli strikes on oil depots in and around Tehran raised thick, dark clouds that produced black, oily rain. Scientists tell CBC News the strikes have raised serious health and environmental concerns that could impact water and food sources long after the smoke and black rain clears.

The latest lava fountaining episode of an erupting Hawaii volcano shot 400 metres high Tuesday, prompting temporary closures at a national park and part of an important highway because of falling volcanic fragments, including ash.

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine experts say three whales spotted there last week are unlike any previously recorded in B.C. waters.

The Liberal government has earmarked nearly $1 billion for drone and airborne defence research. The money is going into the National Research Council for a variety of defence initiatives, including the purchase of a Bombardier jet for research.

A new study reveals there are an estimated 26,000 unique bee species globally, a staggering jump from previous counts. This "specialization explosion" is the result of millions of years of bees co-evolving with specific flowers and microecosystems. CBC News’ Johanna Wagstaffe looks at how these bee discoveries are happening at a rate that currently outpaces our ability to name them all.

A Dalhousie University student is collecting wasp nests to analyze them for the presence of heavy metals such as copper and chromium.

The director of science at the Canadian Whale Institute, Moira Brown, says speed limits for ships are not enough to prevent collisions with whales, but the proposal to remove them is a "huge conservation setback."

Scientists are deeply concerned about SpaceX's recent proposal to launch one million satellites into orbit around Earth. Their concerns range from a loss of the natural night sky and our access to space, to the environmental impact on our atmosphere.

Astronomers are working to capture the first-ever video of a black hole — a groundbreaking effort that could shed light on how these enigmatic cosmic objects behave and offer clues about the origins of our universe.

Forecasters say a warm storm sweeping across British Columbia this weekend has heightened risks at a time of year that is historically the deadliest for avalanches in Canada.

Authorities in Australia have determined that 19-year-old Canadian tourist Piper James of Campbell River, B.C., who died in January drowned after sustaining injuries from a dingo attack.

Billy Collett, Park Manager at the Australian Reptile Park, tells The National about the moment he jumped into a river to save a crocodile more than 2,000 km from its habitat in Newcastle, Australia.

Scientists who study sleep are warning B.C.'s decision to adopt permanent daylight time will disrupt sleep patterns and have a negative effect on overall health, especially for children, for whom adequate sleep is critical for brain development.

Residents around B.C. reported hearing a loud boom and seeing a bright flash of light in the sky Tuesday evening. Experts say it was it was a meteor entering earth's atmosphere.

"Nutritional stress does play a role. It's just that it doesn't appear to be the role that we thought it was, just driving bears en masse desperately into communities," said Douglas Clark, a professor in the University of Saskatchewan’s School of Environment and Sustainability.

The Alaska Board of Fisheries has announced a reduction in fishing opportunity for chum salmon by 30 per cent in southwest Alaska. Alaskan Natives, facing increasing food insecurity from a lack of salmon in the Yukon River for years, say it's a good first step to help the species recover.

Moongazers across Canada and abroad got treated to a full lunar eclipse early Tuesday.