Add Yahoo as a preferred source to see more of our stories on Google. Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a ...

Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think. When you purchase through links on our site, we may earn an affiliate ...

Add Yahoo as a preferred source to see more of our stories on Google. Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or ...