Octopuses are renowned for their instant color-changing abilities, a skill they use to outwit predators and surprise prey. Yet, the energy cost behind this extraordinary camouflage has remained a ...

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a lot. When you purchase through links on our site, we may earn an affiliate ...

We all know what chameleons are capable of: changing into a variety of colors to match their surroundings. They're one of the animals that are so well camouflaged you'd never see them right in front ...