For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a ...

Recent research indicates that animals have been able to distinguish colors for about 500 million years. This ability emerged ...

Lizards in France have grown lighter in color, and so have many insects and birds across the globe. The effects of a changing ...

In a new study, US researchers shed light on what they call an "explosion" of animal color signals over the past 100 million ...

This is a classic example of sexual selection using color signaling. Conspicuous colors are also displayed by toxic animal species, including many venomous snakes and the brilliantly colored ...

Conspicuous colors tend to be signals, often helping animals woo mates or warn predators. Yet the origins of these attention-grabbing colors are not clear. Did plants start making jazzy fruits and ...

A recent study has illuminated the evolutionary journey of color vision in animals, revealing a surprising timeline: animals developed the ability to see colors around 500 million years ago—well ...

How Animals Change Color The chameleon is only one of many creatures that possess special cells for this purpose. Notable among the others: the catfish, the flounder, the tree toad, the squid and man ...