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

As a budding naturalist growing up in the concrete-heavy environs of Boston, I would regularly thumb through my family’s collection of nature books and daydream about the creatures within. One species ...

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 ...