Among these animals is the Arctic hare, the largest hare in North America. The Arctic hare has large claws on all four feet, but the ones on its hind legs are unusually long, allowing it to dig into ...

Hidden Planet Arctic animals are battling more diseases in recent decades. Here’s why. Stories have surfaced of animals such as polar bears fighting off new diseases, and sometimes losing that ...

Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic.

As the Arctic warms, beavers are moving in Scientists are just beginning to study the impacts of beaver dams on the tundra.

Scientists are only beginning to study what an influx of beavers means for other Arctic animals, including fish and the people who depend on them.

A genomic analysis of Greenland’s Qimmeq dogs suggest they and their human partners arrived on the island centuries earlier than previously thought.

Arctic sea ice declined dramatically in 2007 and has never recovered. New research suggests the loss was a fundamental change unlikely to be reversed this century, if ever — perhaps proof of the ...

The loss of sea ice can disrupt the Arctic ecosystem in a number of ways, the study outlines. Arctic animals, like polar bears and seals, could face challenges as they rely on ice for their survival.

A wide variety of Arctic animals, including polar bears, are being exposed to a tick-borne pathogen normally associated with rabbits and hares, a new study said.

Summer sea ice in the Arctic Ocean might be gone by the 2030s, no matter what we do to curb emissions of greenhouse gases, study says.