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

Add Yahoo as a preferred source to see more of our stories on Google. An artist's reconstruction shows the stem-turtle Pappochelys in this image released to Reuters on June 23, 2015. REUTERS/Rainer ...

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

Males were targeted. Females were left untouched. The reason comes down to the thickness of a shell.

Grist is a nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future. A new study found trace amounts of nuclear waste in sea turtles in the ...

Feb. 13 (UPI) --The remains of an extinct giant turtle species suggest the reptile exhibited sexual dimorphism, with males boasting horned shells and females growing hornless shells. The turtle ...

The tropical region of South America is one of the world's hot spots when it comes to animal diversity. The region's extinct fauna is unique, as documented by fossils of giant rodents and crocodylians ...

There are a couple of key features that make a turtle a turtle: its shell, for one, but also its toothless beak. A newly-discovered fossil turtle that lived 228 million years ago is shedding light on ...