Despite their fearsome reputation, tyrannosaurs were not always the largest or fiercest carnivores of the Mesozoic world. For tens of millions of years, the earlier relatives of Tyrannosaurus lived in ...

It's roughly 90 million years ago, the Cretaceous period, and continents have begun to rift apart. A small tyrannosaur — roughly the size of a large horse — peers through the ferns in what would now ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have discovered a new species of dinosaur that lived around 90 million years ago. It was about 26 feet long and weighed ...

Add Yahoo as a preferred source to see more of our stories on Google. If somebody were to ask you which dinosaur was the most badass prehistoric reptilian killer the odds that the T. rex—a.k.a. the ...

Many consider the T-Rex to be the biggest and meanest monster on the block - and for good reason - but the Ulughbegsaurus uzbekistanensis was a heavyweight champion in its own right. Measuring an ...

Step aside, tyrannosaurs, there's a new king of the Mesozoic world. Paleontologists in Uzbekistan Wednesday unearthed a 90-million-year-old rock containing the remains of a newly discovered dinosaur ...

University of Calgary scientists discovered an apex predator that "probably kept the tyrannosaurus down" 90 million years ago Researchers have discovered a new species of dinosaur that loomed over the ...

A new dinosaur discovered in Uzbekistan weighed over 1000 kg and measured 7.5–8.0 meters in length (University of Tsukuba) Scientists have discovered a new gigantic dinosaur with shark-like teeth that ...

T.Rex is often referred to as the 'King of the Dinosaurs', but new research suggests that an even more fearsome predator ruled the plains of central Asia 90 million years ago. Experts from Nagoya ...

Many consider the T-Rex to be the biggest and meanest monster on the block - and for good reason - but the Ulughbegsaurus uzbekistanensis was a heavyweight champion in its own right. Measuring an ...