The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

Although it was only briefly seen during the live webcast of its launch, the Fram2 mission's zero-gravity indicator was instantly recognizable. The first astronauts to enter a polar orbit around ...

Polar bear populations in Canada's Hudson Bay could ... Additionally, polar bears are an important cultural symbol for many Arctic peoples. Unfortunately, a warming world isn't the only challenge ...

"The polar bear is a symbol of global warming because it’s very easy for people to be moved by its struggle—it really is incredibly cute," the veterinarian says.