The armored ankylosaurian dinosaurs are best known from Late Cretaceous northern hemisphere ecosystems, but their early evolution in the Early-Middle Jurassic...
Paleontologists have unearthed the fossilized remains of two Jurassic bird species at a locality in Zhenghe county, Fujian province, southeast China. These...
Paleontologists have examined a 183-million-year-old plesiosaur skeleton with well-preserved skin traces from around the tail and front flipper from the...
New World porcupines originated in South America and dispersed into North America between 4 and 3 million years ago. Prehensile-tailed porcupines today...
Osteoderms are bony plates found in the skin of vertebrates, mostly commonly in reptiles where they have evolved independently multiple times, suggesting...
Skates are cartilaginous fish whose body plan features enlarged wing-like pectoral fins, enabling them to thrive in benthic environments. However, the...
Paleontologists have described a new genus and species of long-tailed pachypleurosaur from a complete skeleton found in China.
An artist’s impression...
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...
Ankylosaurid dinosaurs were heavily armored herbivores with tails modified into club-like weapons. These tail clubs have widely been considered defensive...
A new genus and species of ankylosaur has been identified from an almost complete skeleton found in Chilean Patagonia.
An artist’s reconstruction of...
The tail of bipedal non-avian dinosaurs played a role analogous to the swinging arms of humans during walking and running, according to new research led...
Paleontologists in China have identified a new species of pengornithid enantiornithine bird with a pair of elaborate tail feathers.
An illustration showing...
The Cretaceous-period hadrosaurid dinosaur Bonapartesaurus rionegrensis had a foot tumor and two painful fractures in the vertebrae of its tail, according...
Animals display a variety of gaits and walking speeds. It is commonly assumed that they minimize locomotor energy expenditure by selecting gait kinematics...
Young American alligators (Alligator mississippiensis) have the ability to regrow their tails up to 18% of their total body length, according to a study...
NASA’s Parker Solar Probe has captured unique images of comet C/2020 F3 (NEOWISE) and its two tails.
This image from the WISPR instrument on board NASA’s...
A species of carnivorous dinosaur called Spinosaurus aegyptiacus used tail-propelled swimming locomotion to hunt for prey in rivers, according to a new...
