A unique fossil of a juvenile dinosaur, a Ceratosaurus, is coming to auction at Sotheby's New York, bearing a $6 million high ...

The Smithsonian’s Ceratosaurus is finally giving up its secrets as it prepares for a long fight with a Stegosaurus in the “David H. Koch Hall of Fossils – Deep Time,” opening June 8, 2019.

Ceratosaurus is a Jurassic classic, but remains poorly known. Even though 19th century paleontologist O.C. Marsh described and reconstructed the dinosaur based upon a mostly-complete, partly ...

Although Stegosaurus certainly had much to fear from the contemporary Morrison Formation predators Allosaurus, Torvosaurus and Ceratosaurus, the dinosaur’s defensive weapons were its tail spikes ...

A 6-foot-tall Ceratosaurus fossil is going up for auction at Sotheby’s this July. Find out what makes this dinosaur so rare and valuable.