LifeT. rex lookalike suggests that tiny arms developed for a purpose A new species of dinosaur, Gualicho shinya, had tiny arms like T. rex despite coming from a separate continent, suggesting this feature evolved for a reason News
LifeSharp-eared T. rex may have stalked the night like today's owls A mysterious ridge on tyrannosaur skulls could have helped focus their hearing forwards, allowing them to hunt at night News