Utahraptor emerged as a predator unlike anything else in the raptor lineage. Fossil discoveries show a creature far larger and more powerful than its famous relatives. Its sheer size and pack-hunting ...

LAWRENCE — Utahraptor is going to need 10 million more candles on its next birthday cake. A geological study of the rock formation that encased a fossilized example of the world’s biggest “raptor” ...

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 ...