The three-toed box turtles, Missouri’s state reptile, crawled and rested somewhere in the woods and under the brush.

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

The three-toed box turtles, Missouri’s state reptile, crawled and rested somewhere in the woods and under the brush.The pack of floppy-eared, chocolate brown Boykin spaniels, here all the way from ...

Dr. Universe: Why can’t sea turtles pull back into their shell? I was at the St. Louis Zoo, and they said tortoises and other turtles can pull back into their shells. – Tyler, 7, Missouri There are ...