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

The evolutionary riddle of the turtle shell is one step closer to being solved thanks to groundbreaking research published this week in Science. A team of Japanese scientists has uncovered anatomical ...

The evolutionary riddle of the turtle shell is one step closer to being solved thanks to groundbreaking research published this week in Science. A team of Japanese scientists has uncovered anatomical ...