The Houston Zoo has announced that Jonathan, its 18-year-old male lion, died early Wednesday morning after medical staff discovered a severe blood clotting issue and a low white blood cell count.

The Barbary lion once roamed freely its native northern Africa, but is currently extinct in the wild. A zoo in the Czech ...

In Tanzania's Serengeti National Park, a lioness's fierce defense of her cubs against a male lion has captivated the internet. Wildlife photographer Venkat Krishnan captured the dramatic encounter ...

A male lion typically weighs between 330 and 570 pounds. They have strong bodies, sharp claws, large teeth, and a powerful bite.

In the wild, male strength is a desirable quality, said West, and a short mane is often a sign of recent injury. But lions pay the price for their attractiveness.

Born March 26, 2004, Ulana, along with her sister Saida, arrived at the zoo in 2011 and, together with Kota, the zoo’s male lion, formed a regal trio that captivated the hearts of all who visited.

Don’t be fooled by the mane and roar. The female is the primary hunter in the lion kingdom, not the male. “The Lion King” hinted at this more than 30 years ago, when Mufasa's brother Scar ...

Lions, often called the "King of the Jungle," are powerful, social, and iconic creatures of the animal kingdom. From their unique hunting strategies to their roaring communication, these big cats have ...

DVUR KRALOVE, Czech Republic (AP) — Four Barbary lion cubs were born recently in a Czech zoo, a vital contribution for a small surviving population of the rare lion that is extinct in the wild.