Tortoise shells aren’t just tough armor—they’re living parts of the tortoise’s skeleton, loaded with secrets of survival, evolution, and biological genius that scientists are still trying ...

Those of us who have never owned a tortoise or turtle may be startled to learn they can feel through their shells. In fact, most of what we think we know about tortoise shells is probably wrong.

The story of a cherished Galápagos tortoise at the Philadelphia Zoo becoming a first-time mother after over a century of peaceful existence is enchanting the city. The zoo has been home to Mommy ...