An auction in New York City featured rare geological artifacts, including the largest piece of Mars sold for $5.3 million and ...

The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and archaeological objects in New York on Wednesday, while a juvenile dinosaur skeleton ...

A rare juvenile Ceratosaurus fossil, discovered in Wyoming in 1996, fetched $30.5 million at a Sotheby's auction. This nearly ...

A rare Ceratosaurus dinosaur fossil, over 150 million years old, was sold for $30.5 million at a New York auction. It is one of the best-preserved specimens of its kind.