For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly ...

Scientists found an unexpected aging pattern in a mostly intact juvenile mammal skeleton from the paleontological period. By Jack Tamisiea Small mammals often live fast and die young. Rodents and ...

An artist's impression of the shrew-like Krusatodon kirtlingtonensis, which a new study suggests lived long and matured slowly, in contrast to modern small mammals. Maija Karala Roughly 166 million ...

Have you ever wondered how toxins can effect human populations over time? Sabrina Sholts uses skeletal collections to see if there is a correlation between petroleum exposure and the decline of human ...

Artist’s impression of the Prince Creek Formation in northern Alaska during the Late Cretaceous period, with small mammal highlighted. James Havens, CC BY-NC-SA A fossil mammal tooth smaller than a ...

For example, the Mixodectes skeleton is significantly larger than a partial skeleton of Torrejonia wilsoni, a small arboreal mammal from an extinct group of primates called plesiadapiforms, that was ...