ST. LOUIS — You can now say "hello" to polar bears Kallu and Kallik at the Saint Louis Zoo! After a weeks-long quarantine and acclimation period, the twin brothers made their public debut on Tuesday.

Yellowstone National Park never fails to impress when it comes to drama, especially in the high-stakes encounters between apex predators. When two of the park’s top predators fight over a recent kill, ...

The world is waking back up again—and in the case of Yellowstone National Park's black bears, it literally is!Aside from ...

Alaska wildlife officials push to continue its aerial predator-control program despite a court ruling that says the program ...

Spring is prime bear-viewing season in Yellowstone National Park, but sometimes you need a keen eye to see them.