In the frigid Arctic, polar bear mothers and their cubs emerge each spring from snow dens that have sheltered them through ...

Understanding cubs’ activity when leaving their lairs could aid in supporting the polar bear’s survival.

Female polar bears give birth in December or early January when the cubs are blind, hairless and weigh just 0.5 kg.

Credit: Simon Gee/Kt Miller/Steven C Amstrup/Polar Bears International/Cover Images Researchers have revealed astonishing new insights into the lives of polar bear cubs by studying them as they emerge ...

The time lapse footage is the result of almost a decade of work monitoring the vulnerable predators' maternal behavior.

Researchers have revealed astonishing new insights into the lives of polar bear cubs by studying them as they emerge from their dens. The scientists' study includes the first detailed footage of polar ...

Researchers have been collecting camera footage near the dens of female polar bears and their cubs on the Norwegian ...

The winning photographs provide a stark reminder of the beauty and chaos of the natural world ...

Meteorologist Bill Martin, known for his surfer-meets-science vibe, retired Thursday from KTVU after 33 years at the Bay Area ...

The U.S. is home to 63 national parks, which are areas of land protected by the federal government. How many of these parks ...

From prickly honey badgers to frolicking beluga whales to tale slapping beavers, the people have spoken and voted for their ...