Long-necked sauropods ruled the land during the Jurassic and Cretaceous ages. These plant-eating giants appeared on every continent and grew to sizes no other land animal has matched. A key reason for ...

The Dueling Dinosaurs fossil contains two dinosaurs preserved together in a potential predator-prey encounter.

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.