REM sleep studies suggest that we "see" during our dream state.
Dung beetles use moonlight's polarization to guide its dung hunts.
Contact lenses bring objects into closer and clearer focus than glasses.
Parents' line of vision is eye-catching to infants.
Summer is nearly here. Ever wonder why moths fly toward bright lights? Find out on today's Moment of Science.
Rats have a strikingly different visual system than our own, one that is carefully attuned to their unique needs.
The box jelly has evolved a central nervous system unlike any other animal on Earth.
Vision may not involve creating an inner model of the world in the brain.
There may be more to it than not getting enough sleep.