WASHINGTON -- Tyrannosaurus Rex and his buddies could be on the move as a new study proposes a massive shake-up of the dinosaur family tree. Scientists who took a deeper look at dinosaur fossils ...

Was Nanotyrannus a bona fide species or just a teenage Tyrannosaurus rex with a lot more growing to do? Scientists have settled that debate.

You may want to forget everything you learned during your childhood obsession with the Tyrannosaurus Rex. A review of thousands of fossils and a new theory announced Wednesday may topple a ...

Researchers have reclassified a long-misidentified fossil from New Mexico as Ahshiselsaurus wimani, a newly recognized giant duck-billed dinosaur that offers fresh insights into hadrosaur evolution ...

Researchers have conducted a new analysis of the origins of ‘bird-hipped’ dinosaurs – the group which includes iconic species such as Triceratops – and found that they likely evolved from a group of ...

It’s been a pretty wild week in the world of paleontology. In a groundbreaking new study published in this week’s Nature journal, new findings suggest that dinosaurs are actually about 15 million ...

Hidden in rocks may have animal kingdom’s oldest known predator. Hidden in rocks once thought too old to contain complex life we may have found the animal kingdom’s oldest known predator. Hidden in ...

When a new species comes to light, its effect on the arrangement of its family tree might be better measured by statistics than by headlines. In a study of primates and flightless dinosaurs, ...

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