Tortoise shells aren’t just tough armor—they’re living parts of the tortoise’s skeleton, loaded with secrets of survival, ...

A pair of Western Santa Cruz Galápagos tortoises, who are estimated to be around a century old, have become parents for the first time at the Philadelphia Zoo. The arrival of four hatchlings to "Mommy ...

A pair of Western Santa Cruz Galápagos tortoises, who are estimated to be around a century old, have become parents for the first time at the Philadelphia Zoo. The arrival of four hatchlings to ...