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 ...

Humongous Turtle Shell Unearthed. This shows an 8-million-year-old turtle shell that measured nearly 8 feet (2.4 meters) was discovered in Venezuela. A couple renovated their kitchen—and stumbled upon ...

Stripes. Spots. Symmetries. Swirls. In the natural world, patterns help animals attract or repel, blend in or stand out. This scale-covered pinwheel is a veiled chameleon’s tail, which the animal ...

An FBI investigation into an alleged terror plot in Southern California bears the familiar hallmarks of the bureau’s long-running use of informants and undercover ...