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

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

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

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

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 ...

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

An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...

By Will Dunham WASHINGTON, Jan 15 (Reuters) - There is no question that Tyrannosaurus rex got big. In fact, this fearsome ...

Leaders of EU, France and Canada stake out positions on Greenland ahead of US president’s speech to World Economic Forum ...

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