Just over 23 grams of the meteorite were donated by the homeowner to the state of Georgia for classification and to be archived. After classification, it can receive an official name. That makes ...

A Martian meteorite, weighing 54.388 lbs. (24.67 kg), said to be the largest piece of Mars on Earth, estimated at $2 million to $4 million, is displayed at Sotheby's, in New York. Richard Drew / AP ...

The minerals were discovered from a 70-gram slice of the 15.2-ton "El Ali" meteorite that had been known about by locals for five to seven generations but was only officially discovered two years ago.

A meteorite that is the largest known piece of Mars on Earth has sold for $5.3 million, with taxes and fees, to an anonymous bidder at a Sotheby’s New York auction Wednesday.