Skin can sometimes see, as new research on an octopus shows.
The eyelashes of most animals are one-third the length of the eye's width to create an optimal protective zone.
Fossilized rod and cone cells — the kinds that help people see — have been discovered for the first time.
The unique eye structure of deep-sea bioluminescent sharks helps them survive in the twilight zone.
Pay attention when a horse moves its ears. It's sharing important information with onlookers. Continue reading →
The bizarre visual system of the colorful mantis shrimp just got weirder: New research finds these animals use a natural sunscreen compound to see ultraviolet light.
Never before seen in biology, a state of matter called disordered hyperuniformity has been discovered in the eye of a chicken.
Psychedelic stripes, colors and patterns on flowers, birds and bugs are just some of the things that cats can see that humans cannot.
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