The animals, dozens of them, were dead. The pilot reported what he saw to officials at the Alaska Department of Fish and Game. The caribou, 48 adults and five calves, were lying in a group.

Fifty-three years ago, an Army helicopter pilot flying over a tundra plateau saw a group of caribou. Thinking something ...

A study published in Global Change Biology shows that caribou will optimize their migration path based on their collective ...

The animals, dozens of them, were dead. The pilot reported what he saw to officials at the Alaska Department of Fish and Game. The caribou, 48 adults and five calves, were lying in a group.