This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

Hans-Dieter Sues - Curator, Paleontology, National Museum of Natural History In a fit of pique, according to one of Aesop's fables, the god Hermes made the animal carry its house forever on its back.

About five to 10 million years ago, giant turtles that dwarfed humans roamed freshwater swamps in South America. Researchers have uncovered shells belonging to Stupendemys geographicus, the largest ...

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 ...

Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think. When you purchase through links on our site, we may earn an affiliate ...

In cartoons, when a turtle is spooked, it retreats into and closes up its shell. While used for comic effect, this imagery is based in fact — although not all turtles are capable of this protective ...

In a previous column, the author discussed the overall management of turtle shell injuries. This column continues by describing basic techniques for repairing and stabilizing fractured turtle shells.

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, ...