We’re only in the early stages of 2026, and one massive change from last year may have already occurred: there may actually ...

By Will Dunham WASHINGTON, Feb 18 (Reuters) - For more than a century, biology textbooks have stated that vision among vertebrates - people included - is built from two clearly defined cell types: ...

There may be twice as many vertebrates on the planet as previous estimates claimed, according to a new study published in the journal Proceedings of the Royal Society B: Biological Sciences. That's ...

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.

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