If you look at the eyes of a person in a portrait by a master painter, they seem to follow you as you move around the room. Some insects give us the same feeling of being watched when you look at them ...

Eyes are such a normal part of our everyday life that we rarely stop to think about how much they shape the way we live. They help us read, work, travel, connect with people, and understand everything ...

The compound eyes of ancestral flies picked up only one picture point in each facet. The evolution of a means to split up the light-sensitive cells increased this number to seven, boosting the eye's ...

Phil, Mag. from Magasin Encyclopedique, February, 1814.

Scientists now explain the remarkable ability of marine zooplankton to swim towards light. A new study reveals how simple eyes of only two cells, sense the direction of light and guide movement ...

Update, February 7, 2018: This story has been updated with information on the 2018 study on deep-sea starfish in the Arctic. Starfish have eyes—one on the end of each of their arms—but what they do ...

Fan worms look more like feather dusters than animals. If you come across one while swimming in the ocean, all you’ll see is a beautiful spray of feathery tentacles, sprouting from a rock. These ...

The eyes of some marine-dwelling creatures have evolved to act like a "depth gauge", allowing these creatures to swim in the open ocean at a certain depth . Pioneering new research, carried out by a ...