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A marine plant called sea lettuce is the reason some P.E.I. waterways change colour and smell like rotten eggs, says an expert in water biology.

Equipped with insect nets, vials and a temperature-controlled cooler, Nature NB is searching across Fredericton this summer to document an important but not well understood neighbour: the native bumblebee.

Chimney swifts, a threatened migratory bird species, have taken up residence in a Winnipeg couple's 91-year-old home.

It's a sweet discovery that has the science world talking -- and may help us better understand the origins of life on Earth.

Canada's indigenous nuclear industry, homegrown tech, use of heavy-water reactors producing plutonium and tritium, and abundant domestic supply of uranium all position this country as a prime candidate for developing a nuclear weapon. The government ...

If you feel like you've been inundated with tornado warnings this year, it's not just you. Canada is not only on track for a record-setting tornado year, but warnings from Environment and Climate Change Canada are outpacing the twisters.

Waymo driverless cars were involved in 68 per cent fewer crashes than human drivers over a three-year period across four U.S. cities, according to new data from the U.S. Insurance Institute for Highway Safety.

A pair of hikers with an off-leash dog were charged after coming close to a well-known grizzly bear on a popular hiking trail in Banff National Park.

Orcas in the Gulf of California have been filmed teaming up to smash dead sunfish to pieces. In a new study, researchers speculate why they might be doing this.

After Health Canada lifted its restrictions to allow drones to spray approved pesticides, some farmers say they're looking to get on board in the coming years.