The Sumatran orangutan — born on June 26 — is the first for the Pennsylvania zoo in 15 years. The now 3-week-old appears ...

Any trip to Philadelphia Zoo must include a visit to see Mommy, the Galapagos tortoise who gained global attention when she became a first-time mom at the estimated ripe old age of 97.

The red panda siblings are turning two-years-old. Their names are Cosmo and Meeka, and the Zoo first opened their exhibit to ...

It's the first time the Pennsylvania zoo has welcomed Western Santa Cruz Galapagos tortoise hatchlings in over 150 years and the first time for Mommy, the hatchlings' mother and the zoo's oldest ...