Learn how researchers use archaeological techniques to show how sea turtle shells grow in layers that capture chemical clues about diet, movement, and ocean change over time.

Techniques developed to study the distant past—from dating ancient artifacts to reconstructing climate records in ice cores—are now being repurposed to help us better understand the lives of modern ...

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

When we picture sea turtles in the wild, it's easy to envision them as armored warriors—their hard, resilient shells serving as near-impenetrable shields against oceanic threats like sharks. These ...

MARATHON, Fla. (AP) -- A dentist used denture repair adhesive to help mend an endangered green sea turtle's fractured shell in the Florida Keys. On Thursday, Fred Troxel examined Elena, a 40-pound ...

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

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

Turtles that crushed hard-shelled prey like clams and snails were reported to be more than five times more likely to survive ...

Australia Zoo Wildlife Hospital has seen a surge of green sea turtles needing treatment for a mysterious disease that appears to "melt" their shells, causing lesions and open wounds on their shells ...

A 260 million-year-old fossil has been determined to be the oldest ancestor of turtles found to date, revealing something about the reptile's mysterious past. Michelle Starr is CNET's science editor, ...

The sea creature arrived at San Diego's Birch Aquarium in 2014 Ingrid Vasquez is a Digital News Writer at PEOPLE. She graduated from The University of Texas at Austin with a Bachelor in Journalism.