Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...

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 ...

Almost everyone has heard of Tyrannosaurus rex, but how much do you actually know about this iconic dinosaur predator? Take ...

By cutting into a tiny throat bone, Princeton's Chris Griffin showed that it belonged to an adult of a smaller tyrannosauroid ...

The newsstands in subway stations have largely become a thing of the past. Rex's Dino Store at Grand Army Plaza in Park Slope ...

A new approach using the hyoid bone uncovered distinct growth patterns. A new study has brought clarity to a long-running ...

A new giant dinosaur was recently discovered in the Patagonia region of Argentina with short arms reminiscent of a Tyrannosaurus rex. Like the T. rex, which was one of the largest dinosaurs to have ...

When it came to the sense of smell among meat-eating dinosaurs, Tyrannosaurus rex nosed out the competition. Scientists at the University of Calgary and the Royal Tyrrell Museum in Alberta, Canada, ...