NEW YORK (AP) — Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a ...

Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a tyrannosaur skull to ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of dinosaur that belongs to a distinct genus altogether. The 67 million-year-old ...

Forget the earth-shaking stomps! New research reveals Tyrannosaurus rex likely walked with a bird-like, controlled stride, ...

Add Yahoo as a preferred source to see more of our stories on Google. The study of dinosaurs has been through a revolution in recent decades. The story began half a century ago, when Robert McNeill ...

T. rex was previously suspected to have evolved in Asia and migrated to North America, but new research shows that the direct ancestors of this iconic dinosaur may have been the one to make the ...

“When you come for the king, you best not miss,” said New Scientist – “particularly if the king in question” is Tyrannosaurus rex, a nine-tonne dinosaur with “the biggest teeth of any known land ...

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.