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 ...

WASHINGTON (Reuters) -Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus ...

CHICAGO--For the first time, scientists have determined the lifelong growth pattern for the Tyrannosaurus rex. T. rex reached its massive adult size due to an extraordinary growth spurt that stretched ...

Add Yahoo as a preferred source to see more of our stories on Google. Tyrannosaurus rex is known as the king of the dinosaurs. - Roger Harris/Science Photo Library RF/Getty Images Tyrannosaurus rex ...

Revolutionary new research has shattered long-held assumptions about dinosaur predation strategies, revealing that Tyrannosaurus rex’s bone-crushing bite force was just one of several successful ...

Study also found the dinosaur’s lifespan could have been up to 50 years A T rex could weigh up to eight tonnes The Alamosaurus was among the prey of the T rex There is no question that the ...

A century ago, scientists unearthed fossils of a gigantic carnivorous dinosaur bigger than Tyrannosaurus rex in the Sahara desert, but until recently, paleontologists thought the fearsome beast was ...

Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus relied more on slashing ...

T rexes grew much more slowly than previously thought, taking several decades to reach their full size of around eight tonnes, a comprehensive new fossil study revealed. Until now, researchers counted ...

A group of researchers has estimated how long it took tyrannosaurus rex to reach its full size — and the time period is significantly longer than scientists previously believed. The dinosaur is ...