The Labrador Sea in the North Atlantic is known as one of the lungs of the ocean, absorbing vast quantities of oxygen that sink up to two kilometres and then flow slowly around the world. It turns out the Labrador Sea is taking a much bigger breath than anyone realized. New research from Canadian and American scientists estimates…

Many bumblebee species have vanished from places where they were once common. Now a new Canadian-led study finds that hotter temperatures during heat waves are to blame, and uses it to predict which bumblebees are most likely to face local extinction as the climate warms. The researchers say the technique that could also be used to…

An unusual galaxy that formed at the dawn of our universe has left astronomers scratching their heads. An international team of astronomers has found a massive galaxy that existed just 1.8 billion years after the big bang — called XMM-2599 — that has stopped forming stars. While it’s known that galaxies can eventually stop stellar formation,…

To town councillors in Essex, Ont., it sounded like an expensive, if necessary, proposal. At a public meeting last August, the town’s insurance provider pitched a new type of policy that he said a growing number of municipalities are buying: coverage against cyberattacks. “By purchasing this layer of protection, you can have a little peace of…

An iguana-like creature with a needle-sharp snout has been confirmed from a fossilized skeleton as a species of the marine reptile thalattosaur previously unknown to science that roamed the coast of what is now Alaska some 200 million years ago. Dating from the Triassic period and identified from a lone fossil found in the Tongass…

Agriculture Ministry officials worried the government’s position on the health risks of Canada’s most widely used herbicide were “contradictory” following a landmark court ruling blaming glyphosate for causing cancer, internal emails show. In 2018, a groundskeeper in California won a multimillion-dollar judgment in San Francisco State Court after arguing the weed killer, frequently sold under the brand…