Researchers say more wolves are roaming a remote Lake Superior island, using moose as one of their primary food sources.

Warm weather has forced the federal officials to suspend the annual wolf-moose count in Isle Royale National Park for the first time in more than six decades.

Gray wolves are thriving at Isle Royale National Park five years after they nearly died out.

It’s a ghastly sight: ticks by tens of thousands burrowed into a moose’s broad body and sucking its lifeblood.

Scientists say wolf pups have been spotted again at Isle Royale National Park.