Of all the predators to walk the Earth, none were as fearsome as the T. rex, but how would the king of the lizards fare if it ...

Being better able to tolerate cooler temperatures than their rivals, tyrannosaurs grew larger to become the apex predators of ...

Recent findings clarify why dinosaurs like Tyrannosaurus rex and mysterious megaraptors ... developed long arms and sharp claws, perfect for hunting smaller, more agile prey like juvenile sauropods.

Researchers trace T. rex origins to Asia and megaraptors to Gondwana. Climate changes and predator extinction fueled their ...