Out of the 122 lots, the main event is NWA 16788, a Martian meteorite that is the largest piece of Mars ever found on Earth.

This Mars rock is up for auction at Sotheby's in New York City this week, which is why it's currently on display in the Upper ...

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

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

One lucky bidder will soon fork over millions of dollars to take home NWA 16788, a 54-pound (24-kilogram) Martian meteorite.

A chunk of the Martian surface that made an unlikely voyage to Earth will be available to the highest bidder at Sotheby's ...

The largest-known piece of Mars ever found on Earth is going up for auction on Wednesday and could fetch as much as $4 ...

A rare Martian meteorite, weighing over 25 kilograms, is set to go under the hammer at Sotheby’s in New York on 16 July. Known as NWA 16788, this 54-pound fragment is the largest-known piece of Mars ...

A 54-pound rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of Mars ever ...

Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.