A new study finds a link between chemicals and bone loss that could damage males' penises, potentially harming reproduction.

The strength and smarts it takes to be successful when food is hard to come by can become a little problematic when humans ...

Photos released by the habitat show Henry in something of a food coma after smashing around a third of the pumpkin in one ...

Still not over all the polar bear sightings. In this video, Lindblad Expedition’s National Geographic Resolution ship took us on the Arctic Ocean for a magical stay in a glass igloo. Taking off from ...

The Arctic Circle cuts across eight countries at roughly 66° north latitude. Everything above that line offers midnight sun ...

BOOTHBAY HARBOR, Maine (AP) — Republican lawmakers are targeting one of the U.S.’s longest standing pieces of environmental legislation, credited with helping save rare whales from extinction.

Polar bears are more than hunters as their leftovers feed many Arctic animals, forming a vital food web threatened by melting sea ice.

There are no roads in and out. Only planes can get you there, and of course, boats. But that's only if Frobisher Bay isn’t ...

CHICAGO (WLS) -- After nearly a decade of living at Lincoln Park Zoo, Siku the polar bear is saying goodbye to Chicago. The zoo announced that the 15-year-old old male polar bear will be moving to a ...

MADISON, Wis. -- A male polar bear will soon make the short journey north from Chicago to the Henry Vilas Zoo. The Lincoln Park Zoo announced Thursday that Siku, a 15-year-old polar bear, will move to ...

A remote Arctic island once used as a Soviet weather station has become overrun by polar bears. On Kolyuchin Island, in Russia’s Chukchi Sea, dozens of bears now roam through abandoned buildings and ...

Polar bears that have taken over an abandoned polar research station off Russia’s far eastern coast were intimately captured in drone footage by Vadim Makhorov. The photographer was filming the ...