Jul 19, 2014 — Arturo the polar bear, living in a cramped and hot zoo enclosure in Argentina, is the subject of an online campaign that includes former House Speaker Newt Gingrich.
May 8, 2014 — Baby polar bears slurp milk that's 27 percent fat, and adults dine on seal blubber. Scientists think bears' adaptation to a high-fat diet might lead to better ways to treat human obesity.
Mar 18, 2014 — Life, in all its forms, is amazing. Neil deGrasse Tyson captures some of this wonder in the latest episode of Cosmos. But commentator Alva NoŽ says he also seemed to avoid the biggest question of all.
Sep 10, 2013 — A man in Churchill, Manitoba, saved his life by using the light from his cellphone to distract an attacking polar bear.
Apr 18, 2011 — A momma polar bear burrowed under the snow on an island off the coast of Alaska, then settled in to hibernate. She later emerged and discovered the landscape she'd left was not at all like the one she returned to.