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...
Using correlative neutron and X-ray tomography, paleontologists have examined an exceptionally preserved specimen of Sigaloceras enodatum — a species...
With a 11-12-m wingspan (37-40 feet), Quetzalcoatlus is the largest flying organism ever known and one of the most familiar pterosaurs to the public. Its...
The upper Miocene to lower Pliocene fossil from Beaumaris in Victoria, south-eastern Australia, completely rewrites the evolution of pig-nosed turtles.
An...
Paleoanthropologists have discovered and examined the fossil lumbar vertebrae of Australopithecus sediba, a small hominin that lived about 2 million years...
Paleontologists working in Brazil have uncovered the fossil of an ornithuromorph bird that lived during the Early Cretaceous epoch.
Life reconstruction...
The origin of snakes remains one of the most contentious evolutionary transitions in vertebrate evolution. The discovery of snake fossils with well-formed...
The fossils are estimated to be around 96 million years old and belong to the first Cretaceous mawsoniid coelacanth from North America.
Reconstruction...
Pterosaurs reached only modest sizes in the Triassic and Jurassic periods. By contrast, the Cretaceous period saw a trend toward large to giant size (2...
Paleontologists in China have identified a new species of pengornithid enantiornithine bird with a pair of elaborate tail feathers.
An illustration showing...
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...
Paleontologists have described a new species of kiwi that lived during the mid-Pleistocene period on the North Island of New Zealand.
The little spotted...
Paleontologists have described in detail for the first time the scaly skin of Carnotaurus sastrei, an abelisaurid theropod that lived in South America...
An incomplete fossil record hampers reconstructing the early evolution of caimans (subfamily Caimaninae). In new research, paleontologists from Germany...
A nearly complete skeleton of a tapejarid pterosaur that lived during the Cretaceous period was intercepted during a police raid at Santos Harbour in the...
A three-dimensionally preserved skull of a previously unknown Triassic-period reptile from Argentina illuminates the origin of lepidosauromorphs (lizards,...
A new species of leaf beetle that lived nearly 49 million years ago (Eocene epoch) in what is now the United States has been named after Sir David Attenborough.
Pulchritudo...
A team of paleontologists has digitally reconstructed the facial skeleton and brain endocast of Ichthyornis dispar, a toothed stem bird that lived in North...
Paleontologists have found possible sponge body fossils in 890-million-year-old microbial reefs in northwestern Canada. If verified, they may pre-date...