Kali broke hearts from the moment he came to the St. Louis Zoo's then-new Polar Bear Point as an 850-pound 2-year-old in 2015 ...

The denning period is the most critical time in a polar bear’s life. Less than 50% of cubs survive to adulthood, and the increasing human footprint in the Arctic is adding further challenges to ...

For nearly a decade, researchers have gathered camera footage from outside the dens of female polar bears and their cubs on ...

A new method of tracking the dietary habits and contaminant exposure of animals in Arctic marine ecosystems is providing critical insights as climate change reshapes the region's food web.

The extremely rare footage was captured by remote cameras deployed in the Arctic mountains for nearly a decade.

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

After nearly a decade of trying to learn details about polar bears’ denning habits in the Arctic, researchers have captured cubs emerging from dens on video for the first time. The footage was ...

Despite being the largest land carnivore and a top Arctic predator that can weigh over 600 kg, polar bears start off surprisingly small. Blind, almos ...

“Polar bear mothers are having increasing difficulties reproducing due to climate-driven changes, and are likely to face further challenges with the expansion of the human footprint in the ...

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 ...

"Polar bear mothers are having increasing difficulties reproducing due to climate-driven changes, and are likely to face further challenges with the expansion of the human footprint in the Arctic.

“Polar bear mothers are having increasing difficulties reproducing due to climate-driven changes, and are likely to face further challenges with the expansion of the human footprint in the Arctic,” ...