The fossil record for the ancient hominin A. sediba is younger than that of Homo, a “highly unlikely” scenario for a direct lineage.

The silver spinyfin has an extraordinary diversity of rod photopigments, which researchers propose may allow it to see color in the deep, dark sea.

Paleontologists find a fossil of a dinosaur, Ambopteryx longibrachium, with membranous wings, in China.

Fossils of two dinosaur skeletons found in New Mexico are from a species new to science that lived 92 million years ago.

Gulf killifish have made a stunning comeback in Houston with the help of genetic mutations imported from interspecies mating with Atlantic killifish.

A mandible dating to 160,000 years ago is the first evidence of Denisovan hominins outside the Russian cave where they were first discovered in 2010.

A crab fossil new to scientists lived in the age of dinosaurs in what is now Colombia and the US.

Spotted coin spider colors are a Swiss army knife of deception, bringing food closer, and keeping assailants at bay.

The fabella disappeared from our lineage millions of years ago, but over the last century, its presence in people’s knees has become more common.