There were three of them, one of them probably a child, and at least one met a gruesome end at the hands of a terrifying predator.
About 67 million years later, a Wyoming rancher led scientists to their remains. Now experts are digging out one of the most complete skeletons yet of a Triceratops, the three-horned, plant-eating dinosaur that was one of the last of the giant reptiles.
"There's only three other skeletons that will match the completeness of one of the specimens we're excavating right now," said paleontologist Peter Larson, president of the Black Hills Institute of Geological Research.
Questions or comments? Send an email
Want to know more? Go behind the scenes with