Pupil shapes vary widely across the animal kingdom, from the W-shaped pupils of cuttlefish to the bar-like pupils of goats.

Sure they're weird, but that makes them all the more wonderful.

Many organisms leverage showy colors for attracting mates. Because color is a property of light (determined by its wavelength), it is easy for humans to see how these colors are used in animal ...

Scientists have discovered that the broadclub cuttlefish uses a UFO-like rippling stripe display to blind crabs during a hunt ...