Few animals put on a show quite like a cuttlefish. In the space of a heartbeat, its skin can shift from mottled sand to inky black, then send rippling bands of color racing down its body like light ...

This might be the most incredible underwater encounter I have ever had! On this Aquanaut dive, we search for giant cuttlefish ...

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 ...