This African lion is growing up and showing off his roar transformation. Pilipili is almost 3 years old and the oldest member of the bachelor pride at the Lincoln Park Zoo in Chicago. His little cub ...

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

A white lion living in the wild survival is under threat, the albino pale color of their skin is a dangerous distinction.

Unlike lions and tigers, cheetahs lack the ability to roar, but why? Explore the fascinating anatomical differences that set cheetahs apart from other big cats, and learn about the unique sounds ...

PHILADELPHIA, Pennsylvania (WPVI) -- This nonprofit organization in Chinatown is making their lions roar as part of their Lunar New Year celebration. The "Philadelphia Suns" have been a community ...