At the edge of the Arctic in northern Canada, the annual migration of polar bears draws tourists, photographers, and scientists like Geoff York. Buggies traverse the frozen terrain, bringing tourists ...

Polar bears are running out of ice and out of time, yet inside their cells something remarkable is happening. As the Arctic ...

Polar bears (Ursus maritimus), the apex predators of the Arctic, are facing a critical threat due to climate change. Projections indicate that their global population could decline by more than 30% by ...