Researchers have traced cell origins critical to vertebrate evolution by studying a group of primitive, bloodsucking fish called lampreys. When you purchase through links on our site, we may earn an ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

It took him years of searching in the Canadian Arctic, but in 2004, Neil Shubin found the fossilized remains of what he thinks is one of our most important ancestors. Turns out, it's a fish. Shubin ...