Fossils from southeastern France reveal a previously unknown, roughly 2.5-m (8-foot) long tethysaurine mosasaur that appears to have lived in a freshwater...
Dongoconodon platycauda, a small eutriconodontan mammal that lived alongside dinosaurs in what is now northeastern China paddled through the water with...
Paleontologists studying Cretaceous fossils have repeatedly found that the teeth of many ancient animals contain more of a heavier carbon isotope, carbon-13,...
Norellraptor barsboldi, a new species of small microraptorine dinosaur from the 120-million-year-old rock beds of China’s Liaoning province, challenges...
Tenuicruris piscanexum is only the second Cretaceous bird species named from the Australian continent.
Life restoration of Tenuicruris piscanexum. Image...
A new species of deltatheroidan mammal from China may be the oldest confirmed ancestor of marsupials yet found, offering fresh evidence that Asia played...
Paleontologists working in Patagonia, Argentina, have uncovered fossilized eggshells that push the known range of dinosaur nesting deeper into the southern...
Paleontologists have described a new genus and species of therizinosaur based on a nearly complete skeleton found in northeastern China. Named Kayrasaurus...
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees Celsius (97.3 degrees Fahrenheit),...
Paleontologists have described a previously unknown species of mosasaur — a group of extinct marine reptiles that patrolled Cretaceous seas alongside...
El Soplao, a fossil site tucked into the hills of Cantabria in northern Spain, stands out for yielding amber pieces with a blue-violet hue and abundant...
Paleontologists in Montana have discovered remarkably preserved feathers of an ancient aquatic bird inside a fossilized dinosaur dropping, offering rare...
Paleontologists in North Dakota have unearthed a set of 66.5-million-year-old fossilized footprints that can be confidently attributed to a full-grown...
Scientists have identified the first dinosaur fossil from a remote western section of the Bayan Gobi Formation in China’s Inner Mongolia, extending the...
Paleontologists studying a fossil unearthed in southern Manitoba, Canada, have identified what they believe are two bite marks on the internal skeleton...
Cranial fossils of a nodosaurid ankylosaur unearthed more than two decades ago on the Japanese island of Hokkaido have been recognized as belonging to...
A fossilized bone unearthed two decades ago in northeastern Japan belongs to one of the smallest iguanodontian dinosaurs ever found in the country’s...
Paleontologists have described a new genus of small, bird-like dinosaur that lived in what is now New Mexico approximately 73 million years ago.
Life reconstruction...
The Chicxulub impact not only plunged Earth into an impact winter but also produced a dust blanket that later overheated the planet, according to new research...
Paleontologists have unearthed a remarkably preserved fossil snake in Brazil that is reshaping ideas about how the earliest snakes lived and complicating...