For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...

The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to adulthood than scientists ...

CC0 Usage Conditions ApplyClick for more information. Known for its massive size, powerful jaws and razor-sharp teeth, the Tyrannosaurus rex was one of the most fearsome predators of the Late ...

Almost everyone has heard of Tyrannosaurus rex, but how much do you actually know about this iconic dinosaur predator? Take our quiz to find out. When you purchase through links on our site, we may ...