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, ...

It's a long-held idea that turtles can tuck their heads into their shells when threatened. But is it true? And is this protective trick why turtles the world over have shells today? The answer is that ...

How smushed shells could help to resolve paleontological mysteries. By Asher Elbein You never know where a bit of unusual scientific research is going to lead. Consider a 2012 study about turtle ...

Humongous Turtle Shell Unearthed. This shows an 8-million-year-old turtle shell that measured nearly 8 feet (2.4 meters) was ...

I have two turtles, ages 55 and 35. They have been healthy for almost their entire lives. I’ve never had to take them to the vet but recently, one of them developed a hole in their carapace on the ...

Ursinia the turtle, whose shell was shattered after she was hit by a car, leaving a hole that exposed her innards. A portion of her shell is encased in beeswax, which closes off the wound and has ...