From Alaska to Siberia, the Arctic is changing so rapidly that there is no "normal" there now, scientists warn. The consequences reach across the globe. The Arctic tundra now releases more carbon ...

I returned to one of my favorite places to film and photograph the largest land predator in the world. The only known animal to actively hunt people to eat. An animal so big ...

White Bears Come late October and early November, roughly a thousand polar bears, which have spent their summer shambling around the region’s subarctic forest and tundra awaiting the freeze-up ...

What animals live in the coldest areas of the planet? We've done the research! Meet the animals thriving in earth's polar ...