Science fiction makes it seem like dinosaurs were huge reptiles. But between smaller sizes, feathers, and other factors, they ...

Tyrannosaurus rex is often portrayed as the ultimate predator, but fossil evidence suggests it may not have been alone at the top. Some paleontologists point to other massive carnivores whose size, ...

He's been called the greatest fossil collector who ever lived - and he was born 153 years ago this week in the small town of ...

Tyrannosaurus rex was a late developer who kept growing until the age of 40, reveals new research. The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to ...

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 ...

Scientists have discovered that Tyrannosaurus rex, one of the most famous dinosaurs, grew more slowly and lived longer than earlier research suggested. This new study changes the way researchers ...

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 ...

The prehistoric Tyrannosaurus rex didn’t balloon to its massive size as quickly as scientists once believed. Instead, the apex predator grew more slowly and lived longer, according to a new study ...

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, Jan 15 (Reuters) - 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 ...