Touren Pope was rockhounding in the Greater Green River Basin when he found a remarkable foot-long fossil. It turned out to be the shell of a ...
Turtles are famous for their shells, but this feature is far more than a protective covering. A turtle’s shell is actually fused to its skeleton, meaning its ribs and spine became part of a living ...
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 ...