Scientists discovered a trove of rare dinosaur bones dating back 115 million years at Maryland’s aptly named Dinosaur Park, marking the first “bone bed” found in the state since 1887.

Humans found dinosaur fossils long before we realized what they were. ... In 1822, Mary Ann Mantell was accompanying her husband, obstetrician and paleontologist Gideon Mantell, ...

But fossils found on private land, such as the Dueling Dinosaurs, can be legally bought and sold. In 2013, the London-based auctioneer Bonhams persuaded Phipps and the Murrays to try auctioning ...