The staff of the Vitebsk Zoo is teaching a female bear cub, found by the roadside, to trust people. A new home is being ...

To a layperson, it’s footage of adorable polar bear cubs with their moms against the backdrop of endless Arctic snow. For researchers who study the animals, however, it’s a rare and incredibly ...

How much they weigh: From as little as 60 pounds (27 kilograms) to more than 1,700 pounds (771 kg) ...