When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection, ...

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 ...

For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about evolution itself.

Wild cats showcase a stunning diversity of eye colors, proving a mystery for researchers because most wild species are known to have narrow eye color schemes (usually black, brown or yellow). Eye ...

The eye you instinctively close when you aim a camera has a biological explanation that spans hundreds of millions of years.

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 ...

Q: What fascinates you about the eye? A: The eye is an absolutely fascinating organ because it's an organ of extreme perfection, as Darwin has called it. We are able to adjust the focus, we are able ...

One of the biggest mysteries of evolution is how species first developed complex vision. Jellyfish are helping scientists solve this puzzle, as the group has independently evolved eyes at least nine ...

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 ...

Growing up in Sweden, author J. Arvid Ågren was taught British evolutionary biologist Richard Dawkins' selfish gene theory, which was commonly taught in Europe. When Ågren arrived in North America for ...