Analysis of what’s known about the dinosaur leads to conclusion there were 2.5 billion over time. How many Tyrannosaurus rexes roamed North America during the…
Posts published in “Dinosaurs”
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The plant-eating pareiasaurs were preyed on by sabre-toothed gorgonopsians. Both groups died out during the end-Permian mass extinction, or “The Great Dying.” Credit: © Xiaochong…
Jorge Blanco’s artist impression of Llukalkan aliocranianus. Credit: Jorge Blanco and Journal of Vertebrate Paleontology Ruling in the Late Cretaceous, Llukalkan aliocranianus could be as…
By closely examining the jaw mechanics of juvenile and adult tyrannosaurids, some of the fiercest dinosaurs to inhabit Earth, scientists led by the University of…
New research suggests offspring of enormous carnivorous dinosaurs, such as Tyrannosaurus rex, may have fundamentally re-shaped their communities by out-competing smaller rival species. Credit: UNM…
Researchers believe they have closed the case of what killed the dinosaurs, definitively linking their extinction with an asteroid that slammed into Earth 66 million…
Artist’s rendering of a comet headed towards Earth. New theory explains possible origin of the Armageddon-causing object. It forever changed history when it crashed into…
CO2 Dip May Have Aided Herbivores on a 6,500-Mile Trek A new paper refines estimates of when herbivorous dinosaurs must have traversed North America on…
Life reconstruction of the head of Parasaurolophus cyrtocristatus based on newly discovered remains. Credit: Copyright Andrey Atuchin The first new skull of a rare species…
A reconstruction of Psittacosaurus illustrating how the cloacal vent may have been used for signalling during courtship. Credit: Bob Nicholls/Paleocreations.com 2020 For the first time…
Ubirajara jubatus is named after a Tupi Indian name for ‘lord of the spear’, in reference to the creature’s stiffened, elongate integumentary structures, and jubatus…
Gorgonopsian were the first saber-toothed animals. Their canines extended up to 13 centimeters. Credit: CCA 3.0/Dmitry Dogdanov When most people think of ferocious, blade-like teeth…
Braincase and endocast of Thecodontosaurus antiquus. From CT scans of the braincase fossil, 3-D models of the braincase and the endocast were generated and studied.…
A high flying Pteranodon, a genus of pterosaur that included some of the largest known flying reptiles. Illustration courtesy of Elenarts / Adobe Stock. Credit:…
Live reconstruction of the early sauropod Bagualia alba. Credit: Jorge Gonzales Global warming triggered the evolution of giant dinosaurs. An international team of paleontologists, including…
By cutting into fossils and examining growth rings, scientists learned how predatory dinosaurs got so big. Tyrannosaurus rex was one of the biggest meat-eating dinosaurs…
Titanosaurs were common at the time of the asteroid hit at the end of the Cretaceous 66 million years ago. A new statistical analysis of…
Duckbill dinosaurs evolved in north America, spreading to South America, Asia, Europe, and finally Africa. Credit: Raul Martin The first fossils of a duckbilled dinosaur…
Buriolestes schultzi brain. Credit: Márcio L. Castro The study of the brain of extinct organisms sheds lights on their behaviors. However, soft tissues, like the…
This illustration shows a reconstruction of Ambopteryx in a glide. Credit: Gabriel Ugueto Despite having bat-like wings, two small dinosaurs, Yi and Ambopteryx, struggled to…