From the 20-foot-long jawbones of the filter-feeding blue whale to the short, but bone-crushing, jaws of the hyena and the delicate chin bones of a human, the pair of lower jawbones characteristic of ...

This story was updated at 11:00 AM June 1 The basic decision-making circuitry underlying social behaviors such as fighting and mating is incredibly similar in all vertebrates, from fish to mammals, ...

New research conducted by paleontologists from the Museum für Naturkunde Berlin (MfN) and Humboldt-Universität zu Berlin ...

Did you know there are more than 500 species of sharks out there in the world? These fascinating underwater creatures have been swimming in our seas for about 455 million years, and they can travel ...

There are roughly 5,000 species of mammals, animals within the class Mammalia. That means all those animals have vertebrates, warm blood, hair or fur, they breathe using lungs, and they feed their ...

Paleodietary studies of the fossil record are impeded by a lack of reliable and unequivocal tracers. Scientists have now tested a new method, the isotope analysis of zinc isotopes from the tooth ...

The Juan Fernandez firecrown is endemic to Robinson Crusoe Island. Key threats to this critically endangered species include habitat loss, due in part to invasive herbivores, and predation by invasive ...

Two 160-million-year-old mammal fossils discovered in China show that the forerunners of mammals in the Jurassic Period evolved to glide and live in trees. With long limbs, long hand and foot fingers, ...