The artifact belongs to a new species within the 'bird-hipped' Ornithischian order, researchers said.
Judging from injuries evident in allosaurus fossils, a paleontologist has deduced that stegosaurus knew how to use it spikes to deliver devastating crotch shots to the otherwise dominating allosaurs. Ouch!
An imagined race between a carnivorous tyrannosaur like T. rex and a big plant-eating dino found that the veggie-lover often won by outrunning and outwitting its predator.
Evidence has been uncovered that connects the ichthyosaur with its transition from land to sea.
A scrappy, furry plant-lover named Luck coexisted with dinosaurs and provides important new insights into the evolution of Earth's earliest mammals.
With fangs and the first sawlike teeth on Earth, the biggest predator in the swamps of the early Permian Period ate anything it wanted.
A dinosaur nicknamed Horrible Hands turns out not to have been so horrible, but it sported a suite of unusual features including a humpback, super long arms and sink-proof legs.
Our ancestor's ability to survive the mass extinction event that wiped out the dinosaurs could have important medical applications that one day could help a manned trip to Mars.
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