A polar bear accidentally killed another polar bear as zoo visitors watched on in a tragic case of rough play. A necropsy has ...

But one spring day in 2009, Berlin Zoo became the scene of a life-and-death drama as cries of panic erupted by the polar bear ...

The de-icing properties of polar bear sebum could fuel new innovations ... the study’s lead author and a chemist at Trinity College Dublin, even used his own hair for the research.