A new genus and species of hadrosaurid dinosaur that lived during the Cretaceous period in what is now New Mexico has been identified and named by paleontologists...
Scientists have resurrected ancient microbes from permafrost cores of Late-Pleistocene age (up to 40,000 years old) collected from four locations within...
Paleontologists have identified a new species of extinct crocodyliform from the fossilized remains of a juvenile individual found in southwest Montana,...
Hybridization between these species is remarkable across vertebrate species, as such events typically occur between recently diverged populations, whereas...
New research suggests dinosaurs were ecosystem engineers that promoted habitat openness in the Late Cretaceous epoch, and their extinction around 66 million...
Ancient DNA has been useful in reconciling deep evolutionary relationships and responses to ecological changes in elephants and their relatives. In new...
Marine biologists have described three new species of deep-sea snailfishes in the family Liparidae from the eastern abyssal Pacific (depths 3,268 to 4,119...
Horseshoe crabs are an ancient lineage with an evolutionary history stretching back 450 million years (Ordovician period) and are generally considered...
Paleontologists have described a new genus and species of stem-chelydrid turtle using complete fossilized shells and associated material found in the Early...
Paleontologists have found the fossilized remains of the extinct deer species Eocoileus gentryorum at the Early Pliocene Gray Fossil Site of northeastern...
Textbooks often portray primates as originating, evolving, and dispersing exclusively within warm tropical forests. This tends to come from fossil evidence...
First published in 1865 as a caterpillar, nearly fifty years before the discovery of Canada’s Burgess Shale, Palaeocampa anthrax shuffled between classifications...
A remarkable new genus and species of neornithischian dinosaur being named Enigmacursor mollyborthwickae has been identified from a three-dimensionally...
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...
Polar ecosystems are structured and enriched by birds, which nest there seasonally and serve as keystone ecosystem members. Despite the ecological importance...
Paleontologists have discovered 50- to 25-million-year-old fossilized footprints of invertebrates and vertebrates, including a false saber-toothed cat...