Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.

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, ...

An artist's reconstruction shows the stem-turtle Pappochelys in this image released to Reuters on June 23, 2015. REUTERS/Rainer Schoch/Stuttgart Natural History Museum/Handout By Will Dunham ...

One of the most telltale features of a turtle is its protective shell, and regardless of the species, most turtle shells are discernably similar. Despite what you might see on cartoons, a turtle’s ...

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 ...

Gareth Dyke does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

The shells of turtles, tortoises, and sea turtles show a remarkable connection to our 20th-century nuclear history. This astounding revelation comes to light in a new study, which casts an enduring ...

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 ...