Towering high above any of its relatives or namesakes, this caenagnathid dinosaur, unrelated to the likes of Velociraptor and Utahraptor, was a colossus of the Iren Dabasu Formation. Discovered in ...

Paleontologists have unearthed the remains of an immense, fast-growing dinosaur whose body proportions don’t match those predicted by the evolutionary trends that characterize its more diminutive kin.