Paleontologists of both the academic and commercial varieties are expressing concern that another multimillion-dollar auction ...

These sleek predatory dinosaurs really are teenage T. rex. Detailed analysis of fossilized leg bones also suggest that this dinosaur icon had an intriguing survival strategy when food was scarce.

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