Members of the metatherian genus Swaindelphys were previously known from Swain Quarry in south-central Wyoming and the Nacimiento Formation in the San...
Discovery of human footprints at White Sands, New Mexico, dated to between 21,000 and 23,000 years ago, was a notable step in understanding the initial...
A partial skeleton found in the Fernie Formation in British Columbia, Canada, back in 1916 represents a new genus and species of an extinct marine reptile...
Scientifically named Khankhuuluu mongoliensis, the newly-identified tyrannosauroid species is the closest-known ancestor to Tyrannosaurus rex.
Khankhuuluu...
Polar ecosystems are structured and enriched by birds, which nest there seasonally and serve as keystone ecosystem members. Despite the ecological importance...
Mosura fentoni lived in what is now Canada during the Cambrian period, approximately 506 million years ago.
Life reconstruction of Mosura fentoni. Image...
The genus Tyrannosaurus most likely arose in North America, although its direct ancestors migrated over from Asia more than 70 million years ago, according...
Assigned to the new ichnospecies Ruopodosaurus clava, these dinosaur footprints found in northeastern British Columbia and northwestern Alberta confirm...
Scientists have extracted and analyzed 34 new mammoth (Mammuthus spp.) mitochondrial genomes, including two Early Pleistocene and nine Middle Pleistocene...
Paleontologists have examined teeth of Teleoceras major — an extinct species of rhinocerotid that lived in North America from 17.5 to 5 million years...
A team of paleontologists from Lake Forest College, Stellenbosch University, the University of Minnesota and North Carolina State University has described...
A new genus and species of azhdarchid pterosaur being named Infernodrakon hastacollis has been discovered by a team of paleontologists from Idaho State...
A small mixodectid mammal called Mixodectes pungens had skeletal features adapted to living in trees, largely dined on leaves, and weighed about 1.3 kg,...
Entomologists have described a new species of tiger swallowtail (genus Papilio) from eastern North America.
Papilio solstitius: (a) male, holotype and...
Paleontologists have found the 4.9-million-year-old (Early Pliocene) fossilized remains of the extinct flying squirrel Miopetaurista webbi in Tennessee,...
Scientists have produced the first chromosome-scale genome assembly of the white oak (Quercus alba), an abundant forest tree species across eastern North...
Geoscientists from the University of Southern California, Los Angeles, the Institute of Geology and Geophysics at the Chinese Academy of Sciences, Cornell...
