When I traveled to Greenland for musk ox and caribou hunting, I pictured spooky, elusive critters and punishing conditions.

Wolves are some of nature's most skilled predators: intelligent, strategic, and powerful. Living and hunting in tightly bonded packs, they dominate much of the northern wilderness across Canada, ...

In a warming landscape, pregnant female musk oxen may struggle to find enough food for their unborn calves, the researchers found. “Here is the largest land mammal of the polar zones, but we hardly ...