Long before humans evolved, a small eel shaped creature swimming in ancient seas carried eyes that look strikingly familiar.

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 ...

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 ...

New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, ...