Cratonavis zhui, a new species of pygostylian bird from the Early Cretaceous Jehol Biota of China, had a unique combination of a dinosaurian skull with...
Most birds today can lift the upper beak independently of the brain case, enabled by a series of mobile joints and bending zones in the skull. The computed...
Paleontologists have, for the first time, described the neuroanatomy of Europasaurus holgeri, a remarkable macronarian dinosaur from the Jurassic period...
Paleontologists have found the fossilized remains of a small mammal foot preserved inside the body cavity of the holotype specimen of Microraptor zhaoianus,...
Dinosaurs evolved a remarkable diversity of dietary adaptations throughout the Mesozoic era, but the origins of different feeding modes are uncertain....
A new genus and species of titanosauriform sauropod dinosaur with an unusual tail has been identified from a partial skeleton found in northeastern China.
An...
Paleontologists have identified a new genus and species of titanosaurian dinosaur from the fossilized remains found in the Brazilian state of Minas Gerais.
Life...
Paleontologists have long debated why groups such as non-avian dinosaurs became extinct whereas mammals and other lineages survived the end-Cretaceous...
Ankylosaurid dinosaurs were heavily armored herbivores with tails modified into club-like weapons. These tail clubs have widely been considered defensive...
Spinosaurus aegyptiacus, a sail-backed theropod dinosaur that lived in what is now North Africa during the Cretaceous period, about 95 million years ago,...
A new genus and species of nodosaurid ankylosaur has been identified from fossils found in Patagonia, Argentina.
Life reconstruction of Patagopelta cristata....
A new genus and species of theropod dinosaur with a streamlined body as in diving birds has been identified from a well-preserved skeleton found in Mongolia.
Life...
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...
Daspletosaurus wilsoni, a tyrannosaurid dinosaur that lived 76.5 million years ago in what is now Montana, the United States, displays a unique combination...
A new genus and species of rhabdodontid ornithopod dinosaur has been identified from the fossilized skull bones found in the Haţeg Basin in western Romania.
Inhabitants...
More than 120 million years ago in what is now China, a hungry dromaeosaurid dinosaur ate a small frog.
Daurlong wangi holotype: (a) whole specimen, (b)...
Yuzhoulong qurenensis is one of the earliest-diverging members of the sauropod dinosaur clade Macronaria.
Life reconstruction of a macronarian dinosaur....
Paleontologists from the Nevada Science Center, Idaho State University and Montana State University have described a new genus and species of thescelosaurine...
Some species of ornithomimosaurs that lived in what is now Mississippi, the United States, some 85 million years ago were among the world’s largest at...