A team of researchers from the University of Washington has found a benign tumor in the jaw of a 255-million-year-old mammalian beast called gorgonopsian or gorgon, making it the oldest tumor and cancer case ever discovered.
Scientist Magdalena Sorger has observed some previously unknown skills in a species of trap-jaw ants.
Ceratopsian dinosaur from the Late Cretaceous period of eastern North America evolved differently when isolated from their western relatives by a division of water 66 million years ago.
When cockroaches need to chew through tough materials they turn on muscled mandible boosters that supply them with super-charged chewing powers.
When studying muscle strain during jaw opening in three dinosaur species, researchers found that the Tyrannosaurus rex could extend its jaw 90 degrees –- a skill that came in extremely handy for carnivorous predators.
Human fossils discovered in a Brazilian cave and dating to 9,000 years ago reveal the earliest known record of human decapitation rituals.