A variety of studies are showing that rough-and-tumble play is important for animals and kids alike.

The Detroit Zoo this week announced the birth of three lion cubs to first-time mom Amirah, a 9-year-old African lioness housed at the zoo. "She has been wonderfully calm, attentive and nurturing, ...

A video online showing an eight-week-old lion cub having its claw trimmed at a grooming salon in Russia has prompted animal ...