The largest individual Martian rock ever found on Earth has sold at a Sotheby's auction for almost US$5.3 million, to an anonymous bidder.

A 54-pound Martian meteorite, the largest ever discovered on Earth, sold for $5.3 million at Sotheby’s. Learn about its ...

A space rock fetched a whopping $4.3 million at an auction in New York on Wednesday. The rock pulled in the amount as it was ...