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

Aug. 27 (UPI) --Loss of species currently identified as threatened with extinction by the International Union for the Conservation of Nature could cause up to a 30% decline in their functional ...

Humans tend to put our own intelligence on a pedestal. Our brains can do math, employ logic, explore abstractions and think critically. But we can’t claim a monopoly on thought. Among a variety of ...

With terrifyingly sharp teeth arranged around a circular mouth, lampreys look about as primitive a vertebrate as you could imagine. But a new study finds that the animals have a surprising similarity ...

It is one of several new finds that could rewrite how scientists understand fish evolution. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A 2021 study revealed the largest known bioluminescent vertebrate, the kitefin shark (Dalatias licha), deepening scientific understanding of how light-producing species operate in the world’s twilight ...