Charles Darwin’s On the Origin of Species was first published in 1859, introducing much of the world to evolutionary theory.

Black bear sightings have increased in Ohio, according to state data. Now wildlife officials are studying their population growth in the state.

Beezler, a 32-year-old Asiatic black bear that had lived at Colorado’s Cheyenne Mountain Zoo since she was a cub, was ...

Jay Pratte talks to ciLiving host, Jaclyn Friedlander about doing work outside of the zoo for conservation efforts or doing ...

Donald Niedekker’s “Strange and Perfect Account From the Permafrost” offers an ambitious view of human history and is full of ...

The animals are a key draw for people embarking on sailings to Norwegian-ruled archipelago Svalbard, as they can be observed in their natural habit.

Polar bear, Harbour Islands, Nunavut, Canada (Getty Images/Paul Souders) Yet the majority of U.S. adults rank climate change lower on their list of priorities compared to other threats like the ...

As temperatures warm, and ice melts, polar bears are dying at an increasing rate. Once thriving, polar bears have become a vulnerable species with just an estimated 22,000 to 31,000 individuals left.

Polar Bears (Ursus maritimus) are the largest bear species on Earth, with males weighing between 770 and 1,500 pounds and standing as tall as 10 feet when on their hind legs.

A polar bear enjoys, on average, five litters throughout her lifetime. They can breed at the age of four and leave their cubs after 2 to 2.5 years that is when they would wean and find another mate.

Spotting polar-grizzly bear hybrids in the wild can be tricky. This polar bear's darker face and body shape might lead some to think it's a hybrid, but only genetic testing can say for sure ...