Meet Jane, the Most Complete Adolescent T. Rex Ever Found

An adolescent Tyrannosaurus rex named Jane may settle a dispute more than 70 years in the making: Whether small carnivorous dinosaurs are younger versions of T. rex, or another species altogether, a new study finds. The authors of the new study contend that small and slender Jane is a young, 11-year-old T. rex. Before Jane, there was a critical gap between juvenile and adult T. rex dinosaur specimens, and it was unclear how their body structures changed over time, said study lead researcher Thom