Turtles with shell-cracking jaws were far more likely to survive extinction due to their ability to be sustained on a restricted diet.

Cartoons often suggest turtles wear shells like removable armor. Those stories show turtles stepping out, swapping shells, or treating them like clothing. Biology disagrees. A turtle shell is not an ...

Sea turtle shells record life history layer by layer over many years, clearly revealing diet, stress, movement, and ocean ...

By studying the chemical fingerprints inside each layer, scientists have been able to learn about the turtles’ lives and the ...