Despite their reputation as loners, it turns out octopuses will happily hunt in groups with other species — as long as everyone knows who’s boss. 

Large fires in the world’s boreal forests flatten and blacken the ground, leaving it measurably warmer for more than a decade. However, a new study in the journal Nature shows this effect was not as pronounced in mixed forests, where broadleaf trees broke up the fires and helped heat dissipate.

The skeletal remains of a crew member from Sir John Franklin's 1845 Northwest Passage expedition was identified in a joint study by researchers from the University of Waterloo and Lakehead University. They were found to belong to Capt. James Fitzjames, a senior officer on the HMS Erebus.

As the recovery continues in Jasper National Park after a devastating wildfire, researchers at Western University are looking into whether some of the damage was caused by another natural phenomenon: tornadoes.

Toronto conservation photographer Patricia Homonylo won the 2024 Bird Photographer of the Year award for a "beautiful and tragic" image that shows the massive scale of deadly bird-window collisions in the city.

Searching for polar bears where the Churchill River dumps into Canada's massive Hudson Bay, biologist Geoff York scans a region that's on a low-fat, low-ice diet because of climate change. And it's getting lower on polar bears.

Since the provincial government announced it would assemble a pool of Albertans to act as "public wildlife management responders," permitting them to assist in selective hunts for "problem" elk and grizzly bears, about 7,000 people have applied for a spot.

A new study about children trying valiantly to survive on crackers, air and your last wisp of gentle parenting suggests picky eating is largely explained by genetics — and the researchers say they hope the findings will help alleviate parental blame.

The purported sighting caused a stir on St. Paul Island, a birding haven sometimes called the "Galapagos of the North" for its diversity of life. That's because stowaway rats can quickly populate and overrun remote islands, devastating bird populations.

The co-founder of the company that owned the experimental submersible that imploded en route to the wreckage of the Titanic told a Coast Guard panel Monday that he hopes the tragedy yields a renewed interest in exploration.

A microscopic parasite that has the potential to wipe out entire populations of fish has made its way to B.C. Scientists are concerned because once whirling disease is present in an ecosystem, it's nearly impossible to get rid of.

There’s a new comet in the sky that has gained a lot of attention lately over its potential to become visible to the naked eye.

Scientists at UBC are trying to take the ‘forever’ out of some forever chemicals by developing a new treatment that removes harmful PFAS substances from drinking water.

Five bison died after two separate vehicles hit them in a national park east of Edmonton early Thursday morning, Parks Canada officials say.

Dr. David Stack, an equine veterinary surgeon, led the team that conducted keyhole surgery to repair a white rhino’s fractured leg near Liverpool, England. 

After the tip of a mountain collapsed in Greenland, a 200-metre tsunami sloshed back and forth across a fjord for nine days, generating vibrations strong enough to be felt around the world.

Given the deadly explosions of pagers owned by members of Hezbollah this week, many smartphone users are asking if their devices could also be remotely set to explode. While it's technically possible, experts say the level of technology and more rigorous security processes involved in phone manufacturing mean it's unlikely.

In this week's issue of our environmental newsletter, we look at how artists hope to inspire climate action with sometimes graphic images, see how this year's wildfire season really compares to past years, and hear some strategies for dealing with climate anxiety.

An asteroid will pass so close to Earth on Sept. 29 that it will temporarily be captured by gravity and be our planetary companion for nearly two months.

A cinnamon teal that's rarely seen in Ontario has been spotted in a Grimsby, Ont., wetland. Local birders estimate over 200 people have come to see the small duck, which is being treated as a celebrity of sorts.