A tiny tree-dwelling reptile from the Triassic has ruffled the feathers of the paleontological community, challenging everything we thought we knew about pre-dinosaur evolution. The small, ...

Hair and feathers transformed the way animals lived – providing insulation, enabling flight, and offering a means of display. In birds and mammals, these features are known to arise from complex ...

Paleontologists have described a new genus and species of Triassic drepanosauromorph diapsid with striking integumentary appendages — which are neither feathers nor skin — based on two well-preserved ...

Scientists from China and abroad announced on Tuesday the discovery of a very rare fossil of a freshwater aquatic reptile. The fossil was found in the stratum of the Early Cretaceous period in ...

image: The tooth bearing elements of the lower jaw showing the strongly recurved predatory dentition of Maiothisavros. On the right lower jaw the pathology is shown, with teeth missing from the middle ...

The Strange Reptile That Lived Before th... What Did Hovasaurus Look Like? When and Where Did Hovasaurus Live? What Did Hovasaurus Eat? Throughout the evolutionary history of life on Earth, there have ...

Birds and plants have a close relationship that has developed over millions of years. Birds became diverse and abundant around 135 million years ago. Shortly after, plants started developing new and ...

A 260 million-year-old fossil has been determined to be the oldest ancestor of turtles found to date, revealing something about the reptile's mysterious past. Michelle Starr is CNET's science editor, ...

Bone morphogenetic proteins (BMPs) are secreted factors that contribute to many aspects of the formation of the vertebrate central nervous system (CNS), from the initial shaping of the neural ...

Species retaining ancestral features, such as species called living fossils, are often regarded as less derived than their sister groups, but such discussions are usually based on qualitative ...

The first and most complete fossil of Besanosaurus leptorhynchus is a pregnant female (containing one embryo) on display at the Milan Natural History Museum, together with a fiberglass reconstruction ...