Canadian astronaut Joshua Kutryk completes second spacewalk, more than six hours long
Canadian astronaut Joshua Kutryk is safely back inside the International Space Station after successfully completing his second spacewalk in two weeks.
Canadian youth are helping others understand how climate change affects the brain
In this issue of our environmental newsletter, we meet a group of youth who are helping people understand the impact of climate change on brain health; find out just how super this year's El Niño is so far; and see how some some municipalities are keeping Halloween pumpkins out of the trash (hint: they're getting eaten).
New detection from Mars orbiter suggests that the planet may still be volcanically active
An orbiting atmospheric research spacecraft has detected the pungent gas hydrogen chloride above surface fissures along a massive ancient volcano on Mars in a finding that suggests Earth's planetary neighbor is still volcanically active.
Will this year’s super El Niño push 2026 to be the warmest year on record?
While the most significant impact on the global temperature typically comes in the months after an El Niño peak — which hasn't happened yet — some climate models are suggesting 2026 could edge out 2024 as the warmest year on record. Could El Niño be influencing this year's global temperature?
Former NASA chief economist named new head of Canadian Space Agency
Alexander MacDonald was named the new president of the Canadian Space Agency late Wednesday evening.
15 fields where potato wart was discovered purchased by P.E.I. government for $9M
The Prince Edward Island Department of Agriculture says it has purchased 15 fields where potato wart was discovered.
NASA's Swift space telescope plunges to Earth after 22 years in orbit
One of NASA's premier space telescopes plunged to Earth on Wednesday, ending its 22-year investigation of gamma ray bursts and exploding stars.
It's hunting season: Nearly 200 deer in eastern Montreal park to be culled to curb overpopulation
The nearly $350,000 hunt will take place in the Pointe-aux-Prairies Nature Park over a few nights next week. The current deer population density in the area is 10 times higher than provincial guidelines call for. Experts say the forest can’t sustain that.
Why curiosity and confusion are so important for scientists
For renowned physicist Asimina Arvanitaki, the pursuit of knowledge begins with curiosity and being in the dark. At a Perimeter Institute event in Waterloo, she talks to Nahlah Ayed about the importance of curiosity-based research, her own career, and the role of AI in science.
9 wolves killed on unfenced stretch of highway in Yoho National Park over 5 years
Experts say the deaths highlight the urgent need for wildlife fencing and crossings along a stretch of highway where improvements have been recommended for years.
Mother and daughter killed in suspected grizzly attack were 'two peas in a pod,' family says
Family members have identified the two victims of a suspected fatal grizzly bear attack near Bella Coola, B.C., as Jennifer Balcarras, 48, and her daughter Selah Reed, 20.
Facing an uncertain future, P.E.I.'s oyster farmers and processors close down for the season
Bruce and Kaila Richard say they don't know when they'll see their oyster cages again as two diseases continue to ravage the industry on the Island. Nearby processing plants in western P.E.I. are also running out of oysters — and work. CBC's Nancy Russell reports.
Millions of fish died at an Ontario nuclear plant in 2025. Now its operator faces federal charges
Bruce Power, the private company that operates the Bruce Nuclear Generating Station, faces two federal Fisheries Act charges after millions of Lake Huron fish died over a period of two months in 2025.
How a high school science teacher stumbled upon the 1st known T. Rex trackway
A teacher has discovered the first known trackway of an adult T. Rex, which could shed new light on how the iconic dinos moved around the planet more than 66.5 million years ago.
Chemist who transformed energy storage nabs Canada’s top science prize
Professor Linda Nazar from the University of Waterloo has won the $1-million Gerhard Herzberg Canada Gold Medal, the highest honour awarded by the Natural Sciences and Engineering Research Council of Canada (NSERC).
N.B. exploring new way to address moose collisions
New Brunswick's Department of Transportation and Infrastructure wants to install "wildlife reduction reflectors" as a way to reduce collisions with moose.
Canada shelves pledge to phase out captivity of elephants and great apes
The federal government has effectively shelved a bill meant to phase out the captivity and import and export of elephants and great apes in Canada. Some animal advocates suspect it has to do with the government's current preoccupation with the tariff war and other economic issues.
B.C. monitoring for avian flu amid rising reports of dying wild birds
Rescue agencies are reporting increasing calls of dead or dying wild birds this fall. While avian flu is often a growing concern this time of year, so far B.C.'s farms are in the clear, according to officials.
How to tell whether your lithium batteries are a fire risk — and what to do if they are
We've heard a lot about how dangerous lithium battery fires are, but most of us also keep and charge smartphones, e-bikes and other lithium battery devices at home. Do we actually need to worry? Are some safer than others? Can they really go from safe to risky? And what are the warning signs? Here are some answers.
Bat boxes were supposed to be a safe haven for bats. So why are they killing them?
Manmade homes meant to protect bats from the elements can become deadly in a heat wave, with reports worldwide of mass casualties in an animal population already under threat. But a few tweaks to the houses could help their inhabitants thrive.
