In new lab experiments, scientists at the University of Southern California showed that when mice encountered a familiar social partner in a state of unconsciousness...
Paleontologists have found the 4.9-million-year-old (Early Pliocene) fossilized remains of the extinct flying squirrel Miopetaurista webbi in Tennessee,...
Researchers at Stanford University have found that an aqueous solution of a common food color approved by the U.S. Food and Drug Administration, tartrazine,...
University of Michigan anesthesiologist Kamran Diba and colleagues have found that during sleep, some neurons not only replay the recent past but also...
The hippocampus holds a model of the environment that can be mentally traversed during recall or simulation. It is unknown whether animals can intentionally...
Osteoderms are bony plates found in the skin of vertebrates, mostly commonly in reptiles where they have evolved independently multiple times, suggesting...
Researchers have analyzed microscopic fragments of 2-million-year-old environmental DNA from of the Kap København Formation in Greenland. The DNA record...
The newly-identified species of beaver, Microtheriomys articulaquaticus, represents the oldest semi-aquatic rodent in North America and the oldest amphibious...
Scientists from the Tokyo University of Science and FUJIMIC, Inc. have investigated the effects of ultrasound exposure in olfactory bulbectomized rats...
A steppe-dwelling rodent species called the Brandt’s vole (Lasiopodomys brandtii) actively modifies habitat structure by cutting down a large, unpalatable...
An international team of scientists has examined 1,368 specimens of shrews from the Indonesian island of Sulawesi and found clear, mostly consistent evidence...
An international team of researchers led by the University of Georgia has documented ultraviolet biofluorescence in live southeastern pocket gophers (Geomys...
A new genus and species of extinct rodent has been identified from two fossilized teeth found in Puerto Rico.
This artist’s reconstruction shows the...
A team of UK researchers has decoded the complete genome of a semi-aquatic mammal called the European water vole (Arvicola amphibius).
The European water...
Paleontologists have unearthed the 67,000-year-old fossilized remains from three extinct species of giant cloud rats in several caves on the Philippine...
Scientists have discovered a vivid porphyrin-based biofluorescence in two species of springhares, Pedetes capensis and Pedetes surdaster.
Captive Pedetes...
Naked mole-rats (Heterocephalus glaber) form some of the most cooperative groups in the animal kingdom, living in multigenerational colonies under the...
An international team of researchers has discovered two new species of the murine genus Colomys living in Africa: one in Liberia and Guinea and one in...
An international team of paleontologists from the UK, Italy and Switzerland has created the first digital reconstruction of the skull of Leithia melitensis,...
Paleontologists in China have unearthed a nearly complete skeleton of a previously unknown Cretaceous mammal species with well-preserved middle ear bones.
A...