A holiday in the Arctic that’s more than just searching for polar bears - While polar bears are a big tourist draw, the Arctic has a wealth of wildlife to observe and terrains to explore ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

One of Europe's most iconic cities is home to a beloved zoo that has enchanted visitors for generations. Check it out for an ...

Today we respond to a listener's critique of an analogy that compares central bankers' raising interest rates to Berlin zookeepers' decision whether to kill Knut the baby polar bear.

BERLIN -- The sudden death four years ago of Knut, the celebrity Berlin Zoo polar bear who ended up on the cover of Vanity Fair, shocked his fans around the world and posed a riddle for ...

The sudden death four years ago of Knut, the celebrity Berlin Zoo polar bear who ended up on the cover of Vanity Fair, shocked his fans around the world and posed a riddle for veterinarians ...

More than four years ago, Knut the polar bear drowned as hundreds of horrified zoo visitors watched. Scientists now know what led to the beloved animal’s seizure, and ultimately death.

More than four years after Knut the celebrity polar bear's death, scientists have finally uncovered the cause of his premature demise.

BERLIN — The sudden death four years ago of Knut, the celebrity Berlin Zoo polar bear who ended up on the cover of Vanity Fair, shocked his fans around the world and posed a riddle for ...

What killed Knut the celebrity polar bear? The answer turned out to be even more useful than scientists could have hoped for.