First known adult T. rex trackway captures the predator walking across ancient North Dakota
Four fossil footprints in North Dakota form the first known adult T. rex trackway, offering a rare record of the dinosaur in motion.
TOPIC
Tyrannosaurus rex
T. rex teeth reveal a warm-blooded predator with a near-human body temperature
Chemical clues preserved in T. rex tooth enamel point to a body temperature of about 36.3°C, reshaping the picture of the giant predator’s…