The largest Mars rock ever found on Earth, NWA 16788, just sold for $5.3 million at a Sotheby's auction to an unnamed bidder.

NWA 16788 is largest ever found on Earth originating from Mars; dinosaur skeleton sells for more than $30 million ...

Cassandra Hatton, Sotheby's Vice President of Science and Natural History, emphasized the rarity of the find. "This is the largest piece of Mars we have ever found by a long shot," she said, according ...

NWA 16788, the largest piece of Mars on Earth, fetched $5.3 million at auction. Franklin Institute chief astronomer and ...