Science ❯ Biology ❯ Paleontology

Dinosaur Biology

Tyrannosaurus rex Sauropods Warm-Blooded Dinosaurs Feeding Mechanics Carnivorous Dinosaurs Theropod Feeding Mechanics

Study Finds T. Rex Reached Full Size at 35–40, Reshaping Its Life History

Polarized-light imaging of 17 leg bones revealed hidden growth rings that shift T. rex’s peak size to late middle age.

New Study Finds T. Rex Reached Full Size Around Age 40

Giant Theropods Developed Diverse Skull Biomechanics, Study Shows