“Here in Norway, red foxes (Vulpes vulpes) are all over the place. But Arctic foxes (Vulpes lagopus) — the fluffy white cousins of red foxes — survive only high up in the mountains, and meeting one is ...

The hardy Arctic fox spends its winters hunting alone across the frigid landscape. But these little foxes mate for life, and when spring arrives, it’s time to go home and reunite with their mate. A ...

Satellite images of plants growing around the dens of Arctic foxes add to the evidence that the foxes are “ecosystem engineers” whose activities create habitat for other organisms. Against the harsh ...