A rock from Mars that travelled tens if not hundreds of millions of miles before improbably landing on our planet's door step has seemingly found a fitting, final resting place: the private collection of some secretive plutocrat,

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.

The largest Mars meteorite ever found on Earth was sold at a Sotheby's auction in New York on Wednesday for $5.3 million.