The mother rises on her hind legs, assessing our 35-foot-long flying machine with the unruffled gaze of the Arctic ... Baffin Island, Canada, about 700 miles north of Hudson Bay.

Manitoba’s Wapusk National Park is one of the few places in the world where, in late February, visitors can watch tiny, three-month-old bear cubs explore their snowy new world for the first time ...

Scientists have now quantified how much climate change has drastically reduced the number of polar bears living in Canada's Hudson Bay, the most studied group of polar bears in the world. The melting ...