Some 240 million years ago, this early turtle-like creature lived in a large lake, in a fairly warm, subtropical climate. But it didn't have the kind of shell modern turtles have, says Hans-Dieter ...

The specimen had a fully-developed plastron (the belly area of a turtle’s shell) but its partially developed outer shell, known as the carapace, was made up of broadened ribs and vertebrae on ...

Andrey Atuchin Nothing says safety in the animal kingdom quite like the turtle’s shell. But scientists have long puzzled over how the slow-moving reptiles evolved their iconic defenses.

RELATED: Re-emerging from pandemic shell, turtle research fundraiser back at ... Map turtles get their name from the cartographic yellow designs on heads that “look like a little road map ...

How the turtle shell evolved has puzzled scientists for years, but new research sheds light on how their hard shells were formed. Scientists say the ancient fossil skeleton of an extinct South ...