T. rex had huge growth spurts, but other dinos grew ‘slow and steady’

Paleontologist Tom Cullen cutting into SUE the T. rex’s thigh bone to learn how T. rex grew. Credit: © David Evans Tyrannosaurus rex was one of the biggest meat-eating dinosaurs of all time—it measured up to 42 feet long from snout to tail and would have weighed in at around 16,000 pounds. And it wasn’t […]