A photographer's iconic shots of polar bears in abandoned buildings on a Russian island shines a spotlight on wider changes ...

Grizzly bears, for example, are a subspecies of brown bear found in parts of North America. There are many different ...

Polar bears are the largest bears in the world – standing up, they can grow to be 12 feet tall. Plus, their massive paws are about 30cm wide, about the size of a dinner plate. But a dinner plate with ...