A century after joining the Field Museum’s collection, the Tsavo lions remain one of the museum's most important displays. New research into their behavior and unique features continues to reshape ...

A measure to upend the state’s science-backed approach to managing mountain lions and usher in an era of unlimited killing divided the Wyoming Outfitters and Guides Association.

Idaho Fish and Game said they ultimately decided to euthanize the animal due to its behavior and the killing of two pet goats ...

Our ethics columnist weighs in on the dilemma about when a predator has the right to act like a predator—and when it crosses ...

On the morning of Feb. 4, Idaho Department of Fish and Game personnel lethally removed an adult female mountain lion from a ...

Idaho Department of Fish and Game personnel lethally removed an adult female mountain lion from a Pocatello residential area.

"Rob the Ranger brings the untamed beauty of African wildlife straight to your screen with candid, unscripted footage captured in breathtaking detail. Want to dive deeper into the captivating world of ...

With DNA technology continuing to improve, scientists at the Field believe there are even more secrets inside the Tsavo lions that might be unlocked.