It should be known that not every animal has eyes. Most animal species (especially invertebrates like nematodes, annelids, flatworms, sponges, etc.) do not have eyes. Estimates suggest only about ...

Grab your glasses for this one, because we’re talking animal eyes. Eyesight is one of the most important adaptations animals rely on for survival. As humans, we know how much we depend on our eyesight ...

Professor Lars Schmitz joins WIRED to guide us through a giant tree of life mapping the evolution of eyes in the animal kingdom: how they work, why they've taken the form they have, and the ...