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A hyena prowling an abandoned town and a beetle witnessing the destruction of its habitat are the winners of the year's Wildlife Photographer of the Year competition. A Canadian was among the category winners.

Heat-trapping carbon dioxide levels in the atmosphere jumped by the highest amount on record last year, soaring to a level not seen in human civilization and "turbo-charging" the Earth's climate and causing more extreme weather, the United Nations .. ...

Of all the things that could smash a car's windshield in Saskatchewan, a fish that fell from the sky is pretty low on the list of likely suspects. But that's what happened to Marie Ahlstrom when she was driving home on Sept. 19 near Turtle Lake, Sask ...

A celebrated Vancouver researcher used fabricated data and hid evidence of infected wounds to falsely claim his patented skin treatment could heal years-old bed sores in a matter of weeks, according to a leaked report.

The environmental organization Ontario Nature says Ontario's Bill 5 puts the future of polar bears in the province at risk.

For nearly 50 years, a mysterious fossil unearthed during the construction of Islington subway station has refused to give up its secrets -- until now.

Marineland's crumbling infrastructure, staffing shortage and lack of resources have created dangerous conditions for its belugas and they should be moved immediately, a fired beluga trainer says.

Global warming is crossing dangerous thresholds sooner than expected, with the world's coral reefs now in an almost irreversible die-off, marking what scientists on Monday described as the first "tipping point" in climate-driven ecosystem collapse.

A salmon reintroduction initiative in B.C. is celebrating after two tagged adult sockeye, released as juvenile fry two years ago, were detected returning up the Columbia River.

Medical students at Dalhousie University won't be learning anatomy by working with cadavers this year after the laboratory failed air quality tests over the summer.