Rocks found along the Colorado River in Arizona turned out to contain fossilized fragments of soft-bodied creatures, ...

Notable for “a unique tooth whorl,” the Macadens olsoni possessed a curved row of teeth that helped the tiny shark crush ...

The coelacanth is known as a "living fossil" because its anatomy has changed little in the last 65 million years. Despite ...

The results reveal how so many herbivores were able to coexist. Not only did they survive by eating different levels of the ...

The new species is just one in a whole treasure trove of ancient sharks that have been uncovered within the world’s longest cave system as part of ongoing research that aims to survey national parks ...

“ Macadens olsoni is notable for its unique tooth whorl, a curved row of teeth designed for crushing small sea creatures.

A pivotal wrist bone in birds appears earlier in theropods. This could shift views on how flight evolved. An analysis of two ...