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 ...

One of several Jianfengia fossil specimens: The animal's body plan is extremely simple, consisting of numerous identical segments. However, its head is like that of a more modern crustacean, with eyes ...

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 ...

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. The eyes of some marine-dwelling creatures ...

Explore trilobite vision evolution—key insights into early complex eyes and their influence on the Cambrian Explosion. Trilobites are one of the first animals in the fossil record to develop complex ...

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 ...