Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.

A sea turtle's shell is a masterpiece. A study reveals that marine turtle shells combine flexibility and strength to protect against predators like sharks and stress while optimizing movement. This ...

DENVER, Colo. - July 14, 2016 - It is common knowledge that the modern turtle shell is largely used for protection. No other living vertebrate has so drastically altered its body to form such an ...