A new study comparing wild and zoo-housed Sumatran orangutans reveals that life in a zoo significantly alters how orangutans ...

The four critically endangered Galapagos Tortoise hatchlings that were born at the end of February have now officially been ...

For the first time in over 150 years, the Philadelphia Zoo has new additions to the Western Santa Cruz Galapagos tortoise ...

Elok and Negara didn't hit it off as hoped, so they will be sent elsewhere to find new mates to support dwindling orangutan ...

CBS Local Philadelphia reports how the Philadelphia Zoo had opened up voting to the public last week, offering several ...

It took nearly 100 years for a duo of endangered Philadelphia Zoo tortoises to become parents and the "Golden" moment is now ...

The names Dorothy, Rose, Blanche and Sophia pay tribute to the ladies of "The Golden Girls." More than 13,000 people voted for the names. Their nearly 100-year-old mother, named "Mommy", made ...