Galapagos tortoises hatched 4 babies at the Philadelphia Zoo helping to ensure the survival of a critically endangered ...

The occurrence of three cases in a short period has me worried, especially this early in the year,” Dr. Tom Boo, a county ...

A pair of critically endangered, nearly 100-year-old Galapagos tortoises at the Philadelphia Zoo have become first-time parents.

Human beings have always tried to create something unique and special that can be identified and known merely by its looks or ...

The Philadelphia Zoo’s Western Santa Cruz Galapagos tortoises Mommy and Abrazzo, both estimated to be 100 years old, are the ...

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

Scientists have made a leap in genetic engineering by pushing elephant cells into an embryonic-like state. This marks a major ...

Four convicted bird traffickers threw wooden cages holding 113 live tropical birds into the ocean to evade arrest.

In the latest sign that wolves are continuing to make a comeback across California after being hunted out of existence for ...

Friday, the zoo's new female American Red Wolf, Ajana, could be seen for the first time in her new habitat after arriving Thursday night from the Sioux Falls Zoo in South Dakota.

Unfortunately, right whales and other large animals of the sea are dying at the hand of man to the point of extinction.

The Philadelphia Zoo announced the hatching of four critically endangered Western Santa Cruz Galapagos tortoises, the first ...