Why would vestigial arms need such biceps’? Some palaeontologists now find themselves drawn back to the theory that the limbs were involved in reproduction, perhaps as subtle signalling devices to ...

WASHINGTON, March 12 (Reuters) - A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in ...

A leg bone discovered in northwestern New Mexico decades ago raises new questions about the origins of the infamous T. Rex.

Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...

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 ...

This suggests the dinosaurs hunted different prey at various stages of life. The faster juvenile T. Rexes probably chased ...

Alnashetri cerropoliciensis’ belongs to a strange carnivorous lineage that refutes the idea of the progressive miniaturization of its group ...

For decades, scientists believed that Tyrannosaurus rex reached its full size by the age of 25. However, new research has revealed that the iconic dinosaur likely required more time to reach its ...

New findings about the anatomy of the dinosaur age’s fiercest predator suggest it chased prey “like an oversized bird.” ...

Each of the dinosaurs in the "Jurassic Park" franchise is ferocious in their own way, but the ones on this list are the ...