Scientists uncover a potential reason why redder house finches have better health.

New research shows how they get their deep hue.

Female zebra finches prefer red-beaked male finches over their orange-beaked counterparts.

Despite containing similar chemical pigments, red and yellow parrot feathers display distinct hues.

Scientists engineered biomaterials similar to those chameleons use to change color and applied them to a robot.

In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.

Artificial photoreceptors made of nanowires help restore blind animals’ sensitivity to light.

Scientists explore why male peacock spiders are so colorful. 

Newton’s rainbow forms the familiar ROYGBIV because he thought the range of visible colors should be analogous to the seven-note musical scale.