How sauropod dinosaurs, which include the largest animals that walked the Earth, were able to withstand the forces associated with their immense size represents...
Paleontologists in Argentina have unveiled a new genus and species of armored thyreophoran dinosaur from the Cretaceous period.
Life reconstruction of...
In new research, Dr. Stephan Lautenschlager from the University of Birmingham analyzed the shape of the eye sockets in 410 specimens of dinosaurs and related...
A new genus and species of medium-sized sauropod dinosaur has been described from a single trunk vertebra found in the Department of Cesar, north-eastern...
Living birds have bodies substantially modified from the ancestral reptilian condition. The bird pelvis (hip bone) in particular experienced major changes...
In March 2022, College of Charleston’s Professor Scott Persons and colleagues suggested that Tyrannosaurus rex should be reclassified as three species:...
Meraxes gigas, a huge meat-eating dinosaur that lived in Argentina some 94 million years ago, had short arms like Tyrannosaurus rex.
Meraxes gigas. Image...
In egg-laying amniotes (reptiles, birds and monotremes), the developing embryo is tethered to a number of the extraembryonic membranes that deliver oxygen...
Paleontologists have unearthed a well-preserved cervical vertebra of a medium-sized abelisaurid ceratosaur in the Bahariya Oasis of the Western Desert...
A new genus and species of therizinosaurid dinosaur that lived during the Cretaceous period has been identified from the fossilized remains unearthed on...
Paleontologists have described a new species of large-bodied megaraptoran dinosaur from fossilized remains found in Patagonia, Argentina.
Life reconstruction...
The top predator of the Jurassic and Cretaceous landscapes was usually a species of carnivorous dinosaur. These predators walked on two legs, had powerful...
New research confirms the existence of intraspecific fighting in Triceratops horridus, a species of horned dinosaur that lived in North America some 69...
By analyzing the density of bones of several spinosaurid dinosaurs and comparing them to other animals like penguins, hippos, and alligators, Field Museum...
A new genus and species of thyreophoran dinosaur that lived during the Early Jurassic epoch has been identified from a partial skeleton with cranial and...
Paleontologists have identified a new species of softshell turtle from a partial carapace found in North Dakota, the United States.
Hutchemys walkerorum....
Bashanosaurus primitivus is the earliest record of Stegosauria in Asia and represents one of the earliest records of this dinosaur group from anywhere...
An analysis of over three dozen specimens of Tyrannosaurus rex finds that they exhibit such a remarkable degree of proportional variations that the pattern...
