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 ...

Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice ...

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

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

The mass extinction at the boundary between the Cretaceous and Paleogene periods was catastrophic, wiping out much of life on ...