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 today's turtles the shell has a key protective function. The animals can withdraw into it and protect themselves against predators. No other group of vertebrates has modified its physique to such ...

A sea turtle's shell is a masterpiece. A study reveals that marine turtle shells combine flexibility and strength to protect against predators like sharks and stress while optimizing movement. This ...

Shells provide good protection for turtles, but that may not be why those shells originally formed. Denver paleontologist Tyler Lyson says the shells evolved because the turtles' ancestors, ancient ...

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 ...