The Tyrannosaurus rex, one of the most iconic predators in Earth's history, hides distant origins spanning Asia and North America. A recent study traces the journey of its ancestors across ancient ...

T. rex evolved in North America from Asian ancestors. Climate shifts and extinction events helped tyrannosaurids and ...

A fossil from British Columbia, originally discovered in the 80s, has finally been identified as a new species named ...

Palaeontologists have been divided over whether its ancestor came from Asia or North ... as the climate cooled following a peak in global temperatures known as the Cretaceous Thermal Maximum ...

Even before global cataclysms spurred global warming, the world was a warmer place during the Cretaceous period than it is today, according to Climate Policy Watcher. The poles were cooler than ...

An illustration of dinosaurs during the late Cretaceous, including T. rex, who is now thought to have evolved in North America and not Asia ... study shows how the climate affected even the ...

Using oyster shell fossils records and combined with high-resolution climate simulations ... periodic glacial melt events during the Early Cretaceous period (approximately 139.8 to 132.9 million ...

long-term decline in dinosaur diversity through the end of the Cretaceous Period and sustained low number of dinosaur lineages for the last few million years may have resulted from global climate ...

Paleontologists have been divided over whether its ancestor came from Asia or North ... as the climate cooled following a peak in global temperatures known as the Cretaceous Thermal Maximum ...

Palaeontologists have been divided over whether its ancestor came from Asia or North ... as the climate cooled following a peak in global temperatures known as the Cretaceous Thermal Maximum ...