Effigia okeeffeae, a shuvosaurid (an ancient relative of the crocodiles) that lived in North America during the Triassic period, was a specialist herbivore...
The fossils are estimated to be around 96 million years old and belong to the first Cretaceous mawsoniid coelacanth from North America.
Reconstruction...
A team of researchers has reconstructed and analyzed the external and internal bone morphology of a deformed hip bone from Smilodon fatalis, one of the...
The Vikings (or Norse) were the first Europeans to cross the Atlantic, confirms a new study published in the journal Nature.
Kuitems et al. provide evidence...
The Cronica universalis, written in Latin by the Milanese friar Galvaneus Flamma (in Italian, Galvano Fiamma, 1283 – c. 1345), contains an astonishing...
A new genus and species of chasmosaurine ceratopsid dinosaur has been identified from skeletal fragments found in the Late Cretaceous rocks of the Hall...
In a study of exposed outcrops of Lake Otero in New Mexico, the United States, archaeologists have discovered numerous human footprints dating to about...
A new genus and species of palaeoscolecid worm has been identified from two specimens found in the Burgess Shale-type deposits in Utah, the United States.
Arrakiscolex...
Dental cavities or caries is a common disease among modern humans, affecting almost every adult. New research shows that Microsyops latidens, a species...
A team of U.S. scientists led by Chicago State University has analyzed species limits and diversification patterns in spotted skunks using nuclear and...
An incomplete fossil record hampers reconstructing the early evolution of caimans (subfamily Caimaninae). In new research, paleontologists from Germany...
The bowfin (Amia calva) is a species of ray-finned fish native to North America. Also known as freshwater dogfish, grinnel, and mud pike, this species...
A new species of the mosasaur genus Ectenosaurus has been identified from the fossilized remains found in western Kansas, the United States.
A life reconstruction...
Chase Doran Brownstein from the Department of Ecology and Evolutionary Biology at Yale University and the Stamford Museum and Nature Center has described...
Carnosaurs may have been terrestrial analogues of vultures, and not predators, according to a new study published in the journal Ecological Modelling.
An...
Paleontologists have described two new species from the Cambrian period of Utah, which illuminate the early evolution of nervous and sensory features in...
Paleontologists have identified three new species of placental mammals called condylarths (archaic ungulates) from fossils found in Wyoming, the United...
A research team led by Florida Museum of Natural History scientists has compiled 140,499 body size records of over 100 North American mammals to test how...
Scientists have examined isotopes collected from the tusk of a woolly mammoth (Mammuthus primigenius) that lived in Alaska approximately 17,100 years ago,...
The newly-identified lineage of carnivorous plants is represented by the western false asphodel (Triantha occidentalis), a species of flowering plant from...