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...
Scientists have created a digital facial approximation of the Jebel Irhoud hominin, whose remains are dated to about 315,000 years ago.
Facial approximation...
Bats make up more than one fifth of all living mammal species, yet where and when they first took to the air has been debated for decades. An analysis...
Dr. Dirk Knaust, a geologist with the Norwegian energy company Equinor ASA, has identified plesiosaur regurgitalites — the technical term for fossilized...
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),...
New research led by University of the Witwatersrand and University of Southern California paleoanthropologists sheds more light on one of the most debated...
Paleontologists have described a previously unknown species of mosasaur — a group of extinct marine reptiles that patrolled Cretaceous seas alongside...
Paleontologists have identified a new species of ancient, distant mammal relative from two fossil specimens found decades apart in the Manda Beds of Tanzania....
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 from Fundación Dinópolis have identified the first confirmed fossils of the genus Diplodocus found outside North America.
The Spanish...
Long before sharks or reptiles ruled the seas, armor-plated fish called placoderms were already experimenting with different jaw designs to crush hard-shelled...
Paleontologists have identified a new species of extinct alligatorid that lived in what is now Colorado just a few hundred thousand years after the asteroid...
Long before whales ruled the oceans, dolphin-shaped marine reptiles called ichthyosaurs patrolled the same waters. New research from the Natural History...
Paleontologists in Montana have discovered remarkably preserved feathers of an ancient aquatic bird inside a fossilized dinosaur dropping, offering rare...
Paleoanthropologists have identified a trove of Denisovan fossils from a cave in China’s Yunnan province, extending the known range of the elusive human...