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 ...

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

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 ...

A fossilized turtle shell that sat unnoticed for decades in the collection at the University of Alabama actually belongs to a previously unknown species of ‘giant’ freshwater turtle that roamed the ...

Scientists have identified a new ichnospecies from the shell of an extinct marine turtle fossil, the first known species coexisting on living marine vertebrates. While paleontologists have a wealth of ...