Animals display a variety of gaits and walking speeds. It is commonly assumed that they minimize locomotor energy expenditure by selecting gait kinematics...
Paleontologists estimate that the abundance of one of the best-known dinosaurs, Tyrannosaurus rex, at any one time was about 20,000 individuals, that the...
An international team of paleontologists has discovered a 5.7-cm-long stegosaur footprint in Xinjiang province, China.
A life reconstruction of the stegosaur...
Paleontologists have announced the discovery of a new genus and species of hadrosaurid (duck-billed) dinosaur, based on the skeletal remains found in New...
A new genus and species of furileusaurian (stiff-backed lizard) abelisaurid dinosaur being named Llukalkan aliocranianus has been discovered by a team...
Paleontologists in China have discovered what they say is the first non-avialan dinosaur fossil known to preserve an adult skeleton atop an egg clutch...
A new genus and species of troodontid dinosaur that lived 66 million years ago at the very end of the Cretaceous period has been identified from an isolated...
Paleontologists have identified a new genus and species of rebbachisaurid dinosaur from a fossil uncovered in Uzbekistan.
Life reconstruction of Dzharatitanis...
Ninjatitan zapatai lived approximately 140 million years ago (Early Cretaceous epoch) in what is now Patagonia, Argentina.
Ninjatitan zapatai. Image credit:...
Geologists believe they have closed the case of what killed non-avian dinosaurs at the end of the Cretaceous period.
This painting depicts an asteroid...
The exquisite preservation of a new, partial skull of Parasaurolophus cyrtocristatus, a species of duck-billed dinosaur that lived during the Cretaceous...
The giant dinosaur Spinosaurus acted like modern herons or storks, taking fish and other aquatic prey from the edges of water or in shallow water, but...
An international team of paleontologists has examined the fossilized remains of baby tyrannosaurid dinosaurs found in Alberta, Canada, and Montana, the...
Although paleontologists know now much about dinosaurs and their appearance, they have not known anything about how their cloacal region — the all-purpose...
A partial thigh bone found in southern Brazil belongs to a previously unknown species of theropod dinosaur.
A partial left femur of Erythrovenator jacuiensis....
A maned theropod dinosaur with elaborate filamentous structures has been identified by a research team led by University of Portsmouth paleontologists.
Life...
A team of paleontologists from the University of Bristol and the Oxford University Museum of Natural History has digitally reconstructed the brain of Thecodontosaurus...
Pterosaurs were highly successful reptiles that lived between 210 and 65 million years ago. They were the first vertebrates to evolve powered flight, but...
