New research suggests dinosaurs were ecosystem engineers that promoted habitat openness in the Late Cretaceous epoch, and their extinction around 66 million...
Paleontologists in the United States have uncovered the fossilized remains of a new species of sauropodomorph dinosaur that lived in the northern hemisphere...
Bone needles found at the 12,900-year-old site of La Prele in Wyoming, the United States, were produced from the bones of foxes; hares; and felids such...
Paleontologists have described a new species of fossil temnospondyl amphibian from the Triassic Jelm Formation of Wyoming, preserved in torpedo-shaped...
Paleontologists have identified a new genus and species of sauropod dinosaur from a semi-articulated specimen found in the 1990s in northern Wyoming, the...
Paleontologists have described a new species of snake from the Early Oligocene of Wyoming based on four nearly complete and articulated specimens found...
Archaeologists have discovered an ancient tube-shaped bead made of hare bone at the La Prele Mammoth site in Wyoming, the United States. This is the oldest...
Paleontologists have described a new genus and species of small polycotylid plesiosaur from two specimens found in Wyoming and South Dakota in the United...
Paleontologists have analyzed 125-million-year-old feathers from a dinosaur species called Sinornithosaurus as well as feathers of the early bird Confuciusornis...
Paleontologists have identified a new genus and species of hyperodapedontine rhynchosaur from several specimens unearthed in central Wyoming, the United...
The Fossil Lake deposits of the Green River Formation of Wyoming in the United States have produced nearly 30 bat fossils over the last 50 years. However,...
Unlike most plesiosaurs, Serpentisuchops pfisterae had both a long neck and large, elongated jaws.
Serpentisuchops pfisterae used both its neck and snout...
Researchers have assessed the habituation, learning and cognitive flexibility of a wild population of raccoons (Procyon lotor) in Wyoming, the United States.
Raccoons...
Opisthiamimus gregori is an extinct, small-bodied relative of the tuatara (Sphenodon punctatus), the only living member of the reptilian order Rhynchocephalia.
An...
Intact artifacts and features found at the Powars II site, a red ocher (also known as hematite) quarry located in the foothills of the southern Rocky Mountains...
An extinct species of brachyuran crab called Callichimaera perplexa was a highly visual predator inhabiting well-lit environments, according to new research...
Dental cavities or caries is a common disease among modern humans, affecting almost every adult. New research shows that Microsyops latidens, a species...
An incomplete fossil record hampers reconstructing the early evolution of caimans (subfamily Caimaninae). In new research, paleontologists from Germany...
Paleontologists have identified three new species of placental mammals called condylarths (archaic ungulates) from fossils found in Wyoming, the United...
The newly-discovered fossilized footprints were made by at least two mammalian species around 58 million years ago in a brackish water lagoon in what is...