jaw

Mystery of Tyrannosaurus rex’s Tiny Arms May Finally Have an Answer

bone jaw predator prey Tyrannosaurus

Paleontologists from University College London and the University of Cambridge say the large predatory dinosaurs’ tiny arms evolved alongside massive heads and bone-crushing jaws, suggesting ancient predators increasingly relied on biting rather than grasping prey. The post Mystery of Tyrannosaurus rex’s Tiny Arms May Finally Have an Answer appeared first on Sci.News: Breaking Science News.

20/05/2026 sci-news

This 275-million-year-old animal had a twisted jaw like nothing alive today

jaw Brazil fossil dating

Deep in a dried-up riverbed in Brazil, scientists uncovered a bizarre prehistoric mystery—twisted jawbones from a strange, long-lost animal unlike anything seen before. Dating back 275 million years, this creature, named Tanyka amnicola, belonged to an ancient lineage that should have already faded away, making it a kind of “living fossil” of its time.

01/05/2026 sciencedaily