A rare Ceratosaurus fossil, one of only four known to exist, has sold at $46.5 million at a Sotheby’s auction.

A juvenile Ceratosaurus, one of only four known specimens of the rare Jurassic carnivore, sold for $30.5 million at a Sotheby's auction. It was ...

Sotheby's also flogs off dinosaur skeleton for $26M Videos The largest chunk of Mars yet discovered on Earth, a 54-pound ...