A hundred and fifty million years ago, an aging Stegosaurus lay down for the last time, settling in the mud of what is now northwestern Colorado....
The most expensive dinosaur fossil ever discovered will be on display in New York from this weekend at the American Museum of Natural History. Standing at...
A stegosaurus fossil, bought by billionaire Kenneth Griffin for $44.6 million, will be displayed at the American Museum of Natural History (AMNH) in New York. The...