A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...

The Isle of Skye is famous for its dramatic landscapes and medieval history — but long before castles and clans, it was a bustling dinosaur hotspot New research reveals that ancestors of Tyrannosaurus ...

Dinosaur skeletons often dominate museum halls, from the towering Tyrannosaurus rex known as Sue in Chicago to Sophie the ...

The new species shows the dinosaurs got bigger a lot earlier than scientists originally thought. It also supports the theory that T. Rex originated in North America, not Asia. Scientists recently ...

In the past, analysis of Tyrannosaurus rex bones suggested that the enormous dinosaurs died by the age of 30. But a new study ...

By counting visible and hidden rings, researchers found that T. rex did not reach full size until 35 to 40 years of age.

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land predator of all time. But the question of how quickly T-rex achieved its ...

A duckbill dinosaur%27s fossilized skull and hide bear healed marks of a predator attack The healed bite marks look like they came from a Tyrannosaurus Rex The find represents the first unequivocal ...

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 ...

Almost a year ago, headlines proclaiming the sale of a largely complete T. rex-like dinosaur sparked an international custody battle that featured a confrontation at a public auction, a federal ...