This video from Wired shows every type of eye in the animal kingdom. All kinds of eye facts are covered. For example, the video explains why some animals have horizontal pupils, while others have ...

The earliest recorded vertebrates had four eyes to escape predators in the ancient Cambrian ocean, according to half-a-billion-year-old fossils from China that shed light on our evolutionary origins.

Fossils from China's Chengjiang beds reveal that early vertebrate ancestors, jawless fish called myllokunmingids, possessed ...

Learn how a second pair of eyes helped this 518-million-year-old fish evade predators.

The earliest ancestors of all backboned animals, including humans, may have viewed the world with four eyes, not just two.

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 ...

Rare fossils discovered in southern China reveals that the earliest creatures with spines — ...

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 ...

Scientists are amazed at the discovery of a bristle worm with such sharp-seeing eyes that they can measure up to those of mammals and octopuses. The researchers suspect that these marine worms may ...

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 ...

Marvelous eyes, but you be the judge of this sea critter’s beauty. Vanadis is a byname of the Norse goddess of love, Freya. Scientists are amazed at the discovery of a bristle worm with such ...