Based on our own experiences, we've compiled a complete list of essentials for your Alaska cruise (plus items to leave at home). Download the U.S. News Alaska Cruise Packing List pictured above to use ...

Louise Archer receives funding from Polar Bears International. She is affiliated with University of Toronto Scarborough and Polar Bears International. This study was performed in collaboration ...

Polar bear cubs are born in December or early January. Scientists have captured a rare new footage of polar bear cubs emerging from their dens for the first time. The footage shows a mother polar ...

Then, the family emerges together in the spring. Wolfgang Kaehler / LightRocket via Getty Images At birth, polar bears are blind, nearly hairless and weigh just over a pound—about the same as a ...

A team of scientists led by the University of Toronto’s Louise Archer is shedding light on one of the most important yet poorly understood stages of polar bears’ lives – maternal denning, when polar ...

The event’s goal this year was to raise $2 million. A participant in a polar bear costume emerges from Lake Michigan, with temperatures in the 20s, on March 2, 2025, during the annual Polar ...

Polar bear cubs are incredibly cute — and amazingly elusive. Their mothers dig dens under the snow in remote areas. Protecting cubs is key to the species’ survival. Under half of all polar bear cubs ...

"The Whale Raft" The misfortune of some brings happiness to others, and for these polar bears, the death of a whale in east Greenland heralded a royal feast. Attracted by the smell, more than ...

FabToy is a plush toy with a 24-sensor array of fabric-based pressure sensors that offers dense spatial sensing coverage ...

After a decade of work, a new study has revealed never-before-seen footage of polar bears and their dens. Polar bear dens have long been difficult to study due to the bears digging them out of the ...

Newborn polar bears are hairless and weigh just 1 pound (0.5 kilograms). However, they grow quickly thanks to their mother's fatty milk and reach 22 pounds (10 kg) by the time they emerge as cubs.