What sort of critter?: Nothronychus was an herbivorous theropod dinosaur that belonged to a lineage called therizinosaurs. Size: Over 15 feet long. How much of the creature’s body is known?: Vertebrae ...

A multi-institutional team of scientists this week reports the discovery of a giant new dinosaur in Utah, Nothronychus graffami, which stood 13 feet tall and had nine-inch-long hand claws that looked ...

Everybody knows that dinosaurs like Tyrannosaurus and Velociraptor were meat eaters, but what might come as a shock is that some of their close relatives often ate plants. When I was a kid things were ...