A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for auction at Sotheby’s on July 16.

This Martian meteorite is the largest piece of Mars we have ever found by a long shot,” Sotheby’s vice chairman of science and natural history Cassandra Hatton explained as NWA 16788 was to be the ...

A massive chunk of Mars, known as NWA 16788, is expected to fetch up to $4 million when it goes under the hammer at Sotheby’s ...

NWA 16788 is the largest martian meteorite ever found, weighing in at 54 pounds. Soon, it’ll be up for auction.

On Wednesday, Sotheby’s will auction off a chunk of rock believed to have originated on Mars for an anticipated two to four ...

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 ...

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 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.