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

A cheetah pouncing on a gazelle. A bear snatching a fish out of the water with its claws. And the most dangerous predator of them all? A human and their pet bird dancing to “Gangnam Style.” Scientists ...

Scientists have recreated the most ancient vertebrate known, the myllokunmingiid. The creature had four camera-type eyes.

Scientists analyzing 443-million-year-old Scottish fossils have uncovered the early evidence that some of the first groups of ...

The Cambrian fossil record indicates that most animal phyla had diversified and inhabited the Earth’s oceans approximately 518 million years ago. But even though chordates—the group that includes ...

Scientists found that adult bristleworm eyes grow continuously thanks to a rim of neural stem cells similar to those in vertebrate eyes. This growth is surprisingly regulated by environmental light ...