Paleontologists in Brazil have examined the well-preserved fossilized remains of two mammal-precursor species: Brasilodon quadrangularis and Riograndia...
In new research, paleontologists used synchrotron X-ray tomography of annual growth increments in the dental cementum of fossil mammals from three faunas...
In new research, a team of scientists from Virginia Tech examined how widespread exposure to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2),...
Eastern Africa preserves the most complete record of human evolution anywhere in the world but scientists have little knowledge of how long-term biogeographic...
Amoebidium appalachense, a protist closely related to animals, harbors the remnants of ancient giant viruses woven into its own genetic code, according...
Across the last 50,000 years land vertebrate faunas have experienced severe losses of large species (megafauna), with most extinctions occurring in the...
The nine-banded armadillo (Dasypus novemcinctus) is actually four different species, including a previously undescribed species endemic to the Guiana Shield,...
The three newly-identified species show combinations of features not previously seen before in other living or fossil monotremes, according to Professor...
Scientists from the University of Tasmania and Western University have experimentally demonstrated that kangaroos, wallabies and other Australian marsupials...
Paleontologists from Denver Museum of Nature & Science, Kent State University, the University of Michigan and City University of New York have discovered...
Bergmann’s rule is a scientific principle stating that animals in high-latitude, cooler climates tend to be larger than close relatives living in warmer...
Dinosaurs debuted on Earth’s stage in the aftermath of the Permian-Triassic mass extinction event, and survived two other Triassic extinction intervals...
In new research, a team of paleontologists examined the tooth structure of Feredocodon chowi, a new species of shuotheriid mammaliaform that lived in what...
Scientists have sequenced and analyzed the genome of the Etruscan shrew (Suncus etruscus), one of the world’s smallest mammals, with an average body...
The fastest animals are neither large elephants nor tiny ants, but intermediately sized, like cheetahs (Acinonyx jubatus). Why does running speed break...
Neuroscientists at the University of Michigan have identified a thermoreceptor that mediates cold sensing in somatosensory neurons.
GluK2 KO mice are defective...
Biologists from Altos Labs-Cambridge Institute of Science, the University of Cambridge and elsewhere have found that a retrovirus-derived genetic element...
New research from the University of Tasmania also confirms a significant, fundamental morphological difference found in Tasmanian devils (Sarcophilus harrisii)...