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...
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 identified a new species of ancient, distant mammal relative from two fossil specimens found decades apart in the Manda Beds of Tanzania....
Paleontologists from Fundación Dinópolis have identified the first confirmed fossils of the genus Diplodocus found outside North America.
The Spanish...
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...
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...
Dinosaurs evolved into some of the largest animals ever to walk the Earth, but a new mathematical model suggests that early mammals may have crowded them...
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...
Paleontologists working in southern China have identified a new species of sauropod dinosaur that appears to belong to a group never before documented...
An international team of paleontologists has identified a new species of early sauropodomorph dinosaur in Zimbabwe, adding to growing evidence that southern...
Paleontologists in India have unearthed a partial skeleton of a diminutive, previously unknown neosauropod dinosaur from the Middle Jurassic rocks of Gujarat’s...
By analyzing nickel isotopes preserved in the 66-million-year-old debris left by the Chicxulub impact, researchers conclude that the asteroid responsible...
Thousands of fossilized bones from a Cretaceous-period bonebed in Wyoming, the United States, offer rare physical evidence that Tyrannosaurus rex fed on...