An enzyme protects squirrels during and after hibernation, and something similar could help people whose hearts shut down, a new study finds.
Environmental and economic changes could make it easier for non-native plants and animals to gain a foothold in the North.
In New England where ticks have decimated moose, the average tick load is 40,000, and some have been found with 90,000.
One of the largest caribou herds in North America has declined by nearly a quarter in the past two years, hitting a population level that justifies new hunting restrictions. The news was delivered last week at the annual meeting of the Western Arctic Caribou Herd Working Group, an advisory organization with representatives of villages dependent
More polar bears on land have been encountering more people in the Arctic, a perfect storm of dangerous conditions, one scientist says.
The elusive animals use snow caves to give birth and nurture their young. Just how much spring snow they need is not yet known.
Canadian researchers learned that local Inuvialuit hunters had spotted beavers in the region in 2008 and 2009. Those sightings are the first documented signs of North American beaver occupancy on the Beaufort coastal plain.
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