NWA 16788 was discovered in Niger in Novermber 2023 and is approximately 70% larger than the next biggest piece of Mars ever found on Earth, according to Sotheby’s.

Martian meteorite that is the largest known piece of Mars found on Earth has sold for $5.3 million at Sotheby’s, setting a new auction record for a meteorite.The auction for the rock known as NWA ...