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 ...

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

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

Now, a new study of 17 tyrannosaur specimens, ranging from early juveniles to massive adults, has revealed that the king of ...

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...

Brian Flores, Jim Schwartz are just a couple of high-profile names many want Dallas to pursue. The Cowboys have requested ...

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