Gnathomortis stadtmani, the only species of the newly-described mosasaur genus, swam in the seas of North America between 79 and 81 million years ago (Cretaceous...
A team of researchers from McMaster University and elsewhere has carried out a phylogeographic study of the extinct American mastodon (Mammut americanum)...
A new species of crocodilian related to modern alligators has been identified from fossils found in Mississippi and Alabama, the United States. Named Deinosuchus...
A team of mycologists from Oregon State University, the USDA Forestry Sciences Laboratory and Michigan State University has discovered a new species of...
A new genus and species of owl that lived 55 million years ago (Eocene epoch) has been identified from a partial skeleton found in Wyoming, the United...
A team of microbiologists at Caltech has discovered a species of bacterium that feeds on manganese, one of the most abundant elements on Earth.
This SEM...
A new species of alvarezsaurid dinosaur that lived approximately 66 million years ago (Cretaceous period) has been unearthed in the Hell Creek Formation...
Paleontologists have found and described the first nearly complete skeleton of Ankylorhiza tiedemani, an extinct large dolphin that lived about 24 million...
Dilophosaurus wetherilli was the largest animal known to have lived on land in North America during the Early Jurassic. Despite its charismatic presence...
The 1,430-year-old basalt pipe from central Washington State, the United States, not only contained nicotine, but also had strong evidence for the smoking...
Paleontologists have discovered striking similarities between the fossilized bones of giant penguins that lived 62 million years ago in what is now New...
A team of U.S. paleontologists has redescribed the morphology of a long-snouted ray-finned fish called Tanyrhinichthys mcallisteri and created a more complete...
Two new transitional species of plant-eating horned dinosaurs have been unearthed in New Mexico, the United States.
Navajoceratops sullivani and Terminocavus...
An analysis of the fossilized vertebrate remains from the Jurassic Mygatt-Moore Quarry in Colorado has revealed the bones of a theropod dinosaur called...
In a phylogenetic network analysis of the first 160 complete genomes of SARS-CoV-2 to be sequenced from human patients, an international team of scientists...
In the 16th century, the Calusa, a fisher-gatherer-hunter society, were the most politically complex polity in Florida, and Mound Key, an island in Estero...
A new species of dromaeosaurid dinosaur being named Dineobellator notohesperus has been discovered by a team of U.S. paleontologists.
Dineobellator notohesperus....
A new species of extinct quail-like bird has been identified from a fossil found in eastern Utah.
Reconstruction of Uintan paraortygid. Image credit: Thomas...
In the 1980s, paleontologists found a dinosaur nesting ground with dozens of nestlings in northern Montana and identified them as Hypacrosaurus stebingeri,...
According to a paper published in the journal Clinical Infectious Diseases, adults do not need tetanus or diphtheria boosters if they’ve already completed...