The low autumn light turned the tundra gold as James Schaeffer, 7, and his cousin Charles Gallahorn, 10, raced down a dirt ...

A new study highlights the importance of caribou and muskoxen to the greening Arctic tundra, linking grazing with plant phenology and abundance in the Arctic tundra. The story of Arctic greening has ...

Two bull caribou of the Western Arctic Caribou Herd swimming across the Kobuk River during fall 2011 migration in Kobuk Valley National Park. The herd has been in decline since hitting its peak ...

A population decline is continuing in one of North America’s biggest caribou herds, threatening hunting opportunities for ...

The lawsuit faults the U.S. Bureau of Land Management for greenlighting ConocoPhillips’ winter seismic and drilling program ...

Gut parasites in large plant eaters like caribou thrive out of sight and somewhat out of mind. But these tiny tummy tenants can have big impacts on the landscape that their hosts travel through.

Photographer Pat Kane's multimedia Ekwǫ̀ project is based on time he spent with the Tłı̨chǫ Government’s land-based caribou ...

The sound of soft hooves clapping against rocks and animals snorting woke me from a deep sleep in a tent on the banks of northwest Alaska’s remote and seldom-floated Kokolik River. Suddenly we weren’t ...

With my own boys no longer tiny babies, I decided at the last minute in July that it was the year for an Alaskan adventure. Because so few people can manage to drop off the grid for 10-plus days with ...

The declining mountain caribou populations of Canada's southern Rockies are a more distinct breed than scientists previously believed, according to a new study by University of Calgary researchers ...

The story of Arctic greening has overlooked some main characters. At center stage are climate change and warming temperatures. Meanwhile, large grazing wildlife, such as caribou and muskoxen, also ...