New research confirms the existence of intraspecific fighting in Triceratops horridus, a species of horned dinosaur that lived in North America some 69...
Paleontologists have discovered the fossilized remains of a bobcat-sized creature from a extinct lineage of carnivorous placental mammals.
Life reconstruction...
Paleontologists have identified a new species of tuatara-like sphenodontian reptile from dozens of fossilized specimens found in Arizona, the United States.
Holotype...
The pulmonary disease infecting this diplodocine dinosaur, nicknamed ‘Dolly,’ would not been externally evident, but the probable pneumonia-like outward...
Archaeologists have found meteorites, microspherules, iridium and platinum anomalies, and burned charcoal-rich habitation surfaces at 11 archaeological...
Researchers from the University of Adelaide and elsewhere have sequenced and analyzed mitochondrial DNA from fossils of cave lions (Panthera spp.) and...
With a skull size of 2 m (6.6 feet) and an estimated body size of 17 m (56 feet), the newly-identified ichthyosaur species is the largest animal discovered...
About 66 million years ago, a 10-km-wide asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. The impact unleashed...
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...
