The natural history-themed sale on Wednesday features a 54-pound hunk of Mars estimated at $2 million to $4 million.

A giant rock from Mars and a Jurassic-era dinosaur skeleton are set to go under the hammer at Sotheby’s this week.

A chance encounter in a London museum has led to the identification of a new prehistoric species, thanks to the keen eye of ...

Meet Sphenodraco scandentis, a tree-dwelling, lizard-like reptile that roamed around with the dinosaurs during the Late ...

Do dinosaur bones belong in a museum or a ‘McMansion?’ Sotheby’s will auction a Ceratosaurus skeleton next month that once belonged to a Utah museum.