An international team of researchers has extracted and analyzed ancient DNA from fragmentary remains of 12 individuals of the Steller’s sea cow (Hydrodamalis...
Tasmanian devils (Sarcophilus harrisii) — one of the few mammalian species to have developed physiological and behavioral specializations for scavenging...
The whole-body endothermy seen in modern birds and mammals is long held to have evolved independently in each group, a reasonable assumption when it was...
Human neurons have a much smaller number of channels that control the flow of ions (such as potassium and sodium) than expected, compared to the neurons...
Cell classes are the building blocks for the central nervous system. It is widely believed that major classes of neurons have been identified in the retina,...
While most mammals are drab browns and grays, there are a small number of well-known and intriguing exceptions. Perhaps the most famous of all is the giant...
The end-Cretaceous mass extinction 66 million years ago was characterized by a worldwide ecological catastrophe and rapid species turnover. Arboreal (tree-dwelling)...
Nearly 63% of Afro-Arabian mammalian species went extinct approximately 30 million years ago (Oligocene epoch), after Earth’s climate shifted from swampy...
An international team of researchers led by the University of Georgia has documented ultraviolet biofluorescence in live southeastern pocket gophers (Geomys...
New research shows that a signaling molecule encoded by a gene called Dickkopf 4 underlies a naturally occurring mutation that affects tabby patterns and...
Paleontologists have identified three new species of placental mammals called condylarths (archaic ungulates) from fossils found in Wyoming, the United...
A research team led by Florida Museum of Natural History scientists has compiled 140,499 body size records of over 100 North American mammals to test how...
Researchers from the University of Illinois at Urbana-Champaign and the Universidade Federal do Rio Grande do Sul have observed several bird species exhibiting...
Giraffes (Giraffa camelopardalis) exhibit many of the features typical of mammals with complex cooperative social systems and matrilineal societies, according...
An international team of scientists has retrieved and analyzed nuclear and mitochondrial environmental DNA of humans, wolfs (Canis lupus), and bisons (Bison...
Paleontologists have identified two new species of palaeotheriid mammals from fossils found at the Eocene site of Zambrana in Alava, Spain.
Palaeotheriid...
In a new study published this week in the journal Nature, an international team of researchers analyzed DNA from more than 700 sediment samples that were...
A new species of the giant rhinoceros genus Paraceratherium has been identified from the fossilized remains found in Gansu Province, northwestern China.
Life...
Dendrohyrax interfluvialis lives in the wet and dry forests that lie between the two rivers in coastal regions of southeastern Ghana, southern Togo and...
