Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: A girl looks at the skull of Tyrannosaurus rex "Tristan Otto," one of the most complete specimens worldwide, during ...

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...

The largest study ever conducted on the growth of Tyrannosaurus rex reveals that the dinosaur took a far longer and slower route to adulthood than scientists had previously believed.

Add Yahoo as a preferred source to see more of our stories on Google. The skeleton of a Tyrannosaurus rex is seen in the Dinosaur Gallery of the Royal Belgium Institute of Natural Sciences in Brussels ...

An old dinosaur debate gained new traction after a new study’s findings suggesting that miniature versions of the famed Tyrannosaurus rex may actually be a distinct species. Researchers from the ...

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

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

New research using fossil bone analysis is overturning traditional scientific views on the growth and lifespan of ...

Paleontologists at the North Carolina Museum of Natural Sciences have discovered a new species of dinosaur called nanotyrannus lancensis. The discovery came after studying a fossil called "Dueling ...

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 ...