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

Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of paleontology.

The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to adulthood than scientists previously thought. The post Tyrannosaurus rex research reveals new facts about ...

The behemoth dinosaurs grew more slowly and had longer lifespans than previously thought, a new study suggests ...

Tyrannosaurus rex is often called the scariest and most feared dinosaur to ever walk the Earth, but science still debates what that reputation truly means. Fossils reveal crushing bite power, a ...

NEW YORK (AP) — Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a ...

Baby sauropods were the fast food of the Late Jurassic, feeding multiple predators and propping up the entire ecosystem.

Tyrannosaurus rex is arguably the world’s most famous dinosaur, yet paleontologists are still learning more about this giant ...

WASHINGTON (Reuters) - Surmising even the physical appearance of a dinosaur - or any extinct animal - based on its fossils is a tricky proposition, with so many uncertainties involved. Assessing a ...

It's a bit like Cinderella trying on her glass slipper... except the shoe is squishy mud, the foot weighs tons, and the owner ...

When you hear the word "dinosaur," the first thing that might spring to mind is a hulking skeleton like Sue the T rex in ...

Almost everyone has heard of Tyrannosaurus rex, but how much do you actually know about this iconic dinosaur predator? Take our quiz to find out. When you purchase through links on our site, we may ...