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The artist’s impression shows a dromaeosaur, a type of feathered theropod, in the snow. This dinosaur group is popularly known as a raptor. A well-known dromaeosaur is Velociraptor, portrayed in the film Jurassic Park. Credit: Davide Bonadonna/Universidade de Vigo/UCL

First ‘warm-blooded’ dinosaurs may have emerged 180 million years ago

The specimen under natural light (a) and UV light (b) showing distinct fluorescence hues for bone (cyan) and soft tissues (yellow) against a dark purple sedimentary matrix.

Researchers discover hidden step in dinosaur feather evolution

Art by James Havens Nanuqsaurus, standing in the background, and pachyrhinosaurus, skull in the foreground, were among the dinosaur species included in a new study led by scientists at the University of Alaska Fairbanks and the University of Reading that calls into question Bergmann’s rule.

Dinosaur study challenges Bergmann’s rule

Herrerasaurus ischigualastensis is an early saurischian dinosaur. It shared a bipedal, running anatomy common to large carnivorous dinosaurs that would evolve in the future, but this dinosaur lived at a time when dinosaurs were small-bodied and rare. Credit: Kristina Curry Rogers (illustration by Jordan Harris, CC-BY 4.0 (creativecommons.org/licenses/by/4.0/)

Early dinosaurs grew up fast, but they weren’t the only ones

A theropod track lies in rock near the west bank of the Kukpowruk River. Photo courtesy of Anthony Fiorillo

Alaska dinosaur tracks reveal a lush, wet environment

The most common tooth type, of the famous Spinosaurus, with characteristic sail on its back. Images all from article discussed.

Higher carnivorous dinosaur biodiversity of famous Kem Kem beds, Morocco

Left: The flight feathers of Temminck's Lark. Right: The wing of a fossil bird, Confuciusornis. Photos by Yosef Kiat.

Which Dinosaurs Could Fly?

A typical early dinosaur, Eoraptor from the Late Triassic of Argentina. Photo Copyright: Nobu Tamura, Wikimedia

Dinosaurs’ success helped by specialized stance and gait, study finds

For decades, paleontologists have debated whether Nanotyrannus is a separate species or simply a juvenile T. rex. (Credit Raul Martin)

‘Juvenile T. rex’ fossils are a distinct species of small tyrannosaur

A mosasaur discovered in Japan was the most complete skeleton ever found in Japan or the northwestern Pacific. Graphic/Takuya Konishi

This Japanese ‘dragon’ terrorized ancient seas

Meteorites

More than a meteorite: New clues about the demise of dinosaurs

Preservation of corneous β-proteins in Mesozoic feathers Photographs of fossil specimens used in this study.

Dinosaur feathers reveal traces of ancient proteins

Life reconstructions and size comparison of three rhabdodontids. From left to right: Mochlodon suessi from eastern Austria (the smallest member of the group), Rhabdodon priscus from southern France (the largest member of the group), and Transylvanosaurus platycephalus from western Romania (the most recently named member of the group). Also shown is the silhoutte of a human (1.8 m tall) for scale. Reconstruction by Peter Nickolaus

Europe’s very own dinosaurs – the enigmatic Late Cretaceous rhabdodontids

Fossils have been found of several types of abelisaur showing the diversity of dinosaurs in Morocco at the end of the Cretaceous period. (Credit: Andrey Atuchin)

Newly discovered Fossils of “primitive cousins of T rex” shed light...

A reconstruction of an Australian pterosaur

107-million-year-old pterosaur bones discovered in Australia

Image: Jorge Gonzalez This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

New dino, ‘Iani smithi,’ was face of a changing planet

Spinosaur tooth from the Wealden seen from two different angles.

Multiple species of semi-aquatic dinosaur may have roamed pre-historic Britain

Close up image on one wall showing numerous depressions of hadrosaur footprints. The ice ax in the lower left of the frame is approximately 3 feet long, for scale. Photo by Patrick Druckenmiller

Scientists explore dinosaur ‘Coliseum’ in Denali National Park

The fossilized cervical vertebra and overlaying osteoderms of the new archosaur species Mambachiton fiandohana. © Nesbitt et al.

New archosaur species shows that precursor of dinosaurs and pterosaurs was...

The fossil showing the entangled skeletons of the dinosaur (Psittacosaurus) and the mammal (Repenomamus). Scale bar equals 10 cm.

Unusual fossil shows rare evidence of a mammal attacking a dinosaur

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