The click beetle’s intricate false eyes cast a deep black color with the help of pigment-coated hairs.

Flashing lights activate fly navigation neurons.

See a close-up of the deep-sea dragonfish’s transparent teeth.

Slithering snakes mimic waves of light, “diffracting” as they pass by an obstacle.

Researchers used infrared light to relieve itchy mice.

Researchers have outfitted brewer’s yeast with light-harvesting semiconductors to boost chemical productivity.

Researchers identify neurological pathways through which light affects mood and learning in mice.

Pectin fragments may signal plant cells to maintain a type of growth suited to darkness.

Scientists infuse plants with the luminescence of fireflies.