Science & Climate

Also: This year’s El Niño could be ‘super’ Cats are prolific hunters and they are killing a lot of birds Cats kill millions of birds a year in Canada alone. (Roman Ish/Shutterstock)  Cats are incredible hunters. They are ambush predators with incredibly flexible spines, sharp claws and insanely sensitive hearing, as …

Researchers aim to spread awareness about climate change Heather Pearce, Katie MacIntosh and Denise Brushett wave the Nova Scotian flag and an Antarctica flag while on an expedition to the continent in February. (Submitted by Heather Pearce)  Katie MacIntosh had dreamt of visiting Antarctica her whole life, but the first time …

Doctors ruled out a heart attack in case that prompted NASA’s first evacuation Astronaut Mike Fincke approaches the Kennedy Space Center’s launch pad for liftoff on Aug. 1, 2025, in Cape Canaveral, Fla. Fincke was the Crew-11 member who experienced a medical event on the International Space Station in January. (John …

9 of 10 fish caught in the national park last year were chain pickerel The first chain pickerel at Kejimkujik was caught in 2018. In less than 10 years, the species has overtaken park waters. (Alex Lynch)  Kejimkujik National Park in Nova Scotia is pausing its annual brook trout census because …

Orbiter parts and partners will be ‘repurposed’ for base NASA administrator Jared Isaacman speaks during the rollout of NASA’s next-generation moon rocket in Cape Canaveral, Fla., on Jan. 17. (Joe Skipper/Reuters)  NASA is cancelling plans to deploy a space station in lunar orbit and will instead use its components to construct …

Not all radon monitors being sold online or in stores are approved for use in Canada, experts warn While multiple radon monitors are approved for use in Canada, such as this electronic Airthings device, plenty more being sold in stores and online are either recalled or not yet certified. (Mathieu Theriault/CBC) …

Bull sharks — widely considered to be solitary — may be more social than previously thought Scientists have found that bull sharks — widely considered to be solitary — can form complex social bonds. (Natasha Marosi)  Not all sharks are the lone, cold, ruthless predators that many films depict them to …

Wind turbines operate along a solar farm near Weifang in eastern China’s Shandong province on March 22, 2024. (AP Photo/Ng Han Guan, File) HANOI, Vietnam (AP) — The war in Iran is exposing the world’s reliance on fragile fossil fuel routes, lending urgency to calls for hastening the shift to …

Raphael Chryslar After their grisly destruction in a terror attack in 2001 — and the chaotic and deadly wars that followed — it can be hard to remember that the World Trade Center’s Twin Towers, originally completed in 1973, were architecturally controversial for their impact on the Manhattan skyline. Now, a …

Scientists have searched the skies for alien radio signals for more than 60 years, but all they’ve heard so far is what Search for Extraterrestrial Intelligence, or SETI, researchers call “the Great Silence.” A recent study suggests that even if there are aliens out there sending messages, stellar wind and …