Rex among children's toys. Nicknamed the "tyrant lizard king," the T-Rex itself ruled during the Cretaceous period, which is just one of the three time periods dinosaurs lived in. Like other non-bird ...

But T. rex was also the last of its meat-tearing family. The earliest tyrannosaurs evolved about 166 million years ago. In ...

Dinosaurs have always been intriguing creatures to study for experts. Now, researchers have made another breakthrough in figuring out the legacy of these beasts, according to the BBC. They have ...

Many later tyrannosaurs were much bigger, with T. rex reaching 41 feet (12.5 m) long and weighing up to about 23,000 pounds (10,400 kg). The dragon prince also had a smaller head and longer arms ...

While Tarbosaurus, an ancestor of T. rex, clocked in at between 3,000 and 6,000 kilograms (6,613 pounds and 13,227 pounds), the fleet-footed Khankhuuluu mongoliensis likely weighed only around 750 ...

A new study published in the Ecology and Evolution journal has uncovered the possibility that the Tyrannosaurus rex, widely regarded as the king of dinosaurs, may have been even bigger than we ...

Tyrannosaurus Rex, king of the dinosaurs 08:11 More than 85 million years ago, a smaller-bodied ancestor of the Tyrannosaurus rex roamed the plains of Mongolia. The dinosaur's identity was unknown ...

Tyrannosaurus rex may have been a cannibal. A young Yale University scientist, Nicholas Longrich, reports finding tooth marks on the feet and arms of four different T. rex fossils -- marks that ...

The upcoming film, titled “T. Rex,” is set to debut on June 21. Photo by Andy Wood “I went up to a ledge with my dad and then he and I spotted the bones,” Liam, 9, told The Post.

Scientists have identified a previously unknown 86 million-year-old dinosaur species that fills an early gap in the fossil record of tyrannosaurs, revealing how they evolved to become massive apex ...