In the insect world things are often not what they seem, especially if you're a hungry predator. For 250 million years, insects have survived because they often appear to be something other than what ...

Thank the deity of your choice for the genus Phasmatodea. That’s the entire group we collectively call stick insects, invertebrates that mimic the limbs and leaves of trees. For the most part, they’re ...

From digitized dots to colorful splotches, military camouflage continues to change. (And for more on the Pentagon's current search for better camouflage, read this story.) When armies charged across ...

Octopuses conceal themselves in their surroundings using chromatophores—cells that can change pigment dynamically—to match the colors of the seafloor, reef systems, and even other animals. But they ...