Four tortoise hatchlings born at the Philadelphia Zoo now have names. Over 13,000 people voted for the zoo's youngest stars ...

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 ...

There are several species of giant tortoises, with the most famous ones found in the Galápagos Islands and the Aldabra Atoll. Each species has unique shell shapes and adaptations that suit their ...

A rare Santa Cruz Galapagos tortoise, estimated to be 97 years old, just became the oldest known first-time mother of her species, according to the Philadelphia Zoo. The father of the four new ...

The sex of tortoise hatchlings is influenced by temperature, so the zoo incubated eight eggs below 28° Celsius (82.4° Fahrenheit) to produce males and the other eggs above 29.5°C (85.1°F ...

Mommy, who has lived at the zoo for nearly 93 years, is seen as one of the most "genetically valuable Galapagos tortoises" in the Association of Zoos and Aquarium's Species Survival Plan.

Mommy, who has lived at the zoo for nearly 93 years, is seen as one of the most "genetically valuable Galapagos tortoises" in the Association of Zoos and Aquarium's Species Survival Plan. She laid 16 ...