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

We had just finished listening to a lecture about scientific research being conducted on the Greenland Ice Sheet when an excited voice came over the public address system of the National Geographic ...

With one foot braced on the helicopter's landing skid, a veterinarian lifted his air rifle, took aim and fired a tranquiliser dart at a polar bear. The predator bolted but soon slumped into the ...

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 ...