Genetics, right? Sort of. Scientists just learned it’s a bit more nuanced than high school biology.

In this richly illustrated book, veteran science author Parker (Evolution: The Whole Story) details the evolution of vision over billions of years via the development of multiple types of eyes. Light ...

Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a cyclopean invertebrate with a single eye atop the head. By Carl Zimmer Look at ...

Prologue : Molecular genesis -- The age of first cellular life -- The age of complex cellular life -- Eukaryotes organize and metazoans arise -- Early animals prepare the ground -- Vision's big bang ...

Yet to Mother Nature, the evolution of the eye isn’t really a difficult feat at all, it turns out. Indeed, there are about 10 different types of eye design in the animal kingdom, and eyes have evolved ...

Have you ever wondered why some people have lighter eyes than others? Differences in iris coloration have traditionally been explained as a result of sexual selection, but a recent study led by ...

A new study, led by the University of Vienna and the Alfred Wegener Institute in Bremerhaven, shows how the eyes of adult marine bristleworms continue to grow throughout life—driven by a ring of ...

Lock eyes with a chimpanzee, and you will notice something is missing. The tissue surrounding their iris, called the sclera, ...

From butterflies to peacocks, bold circular "eyespots" are among nature's most eye-catching patterns. But why do they appear ...