Sotheby's auctions largest Martian meteorite ever found, estimated at $2 million to $4 million.

Sotheby's in New York is auctioning the largest Martian meteorite ever found, weighing 54 pounds and estimated to sell for $2 million to $4 million. Discovered in Niger in 2023, the meteorite, known as NWA 16788, is believed to have originated from Mars and traveled 140 million miles to Earth. It is part of a natural history-themed auction that also includes a juvenile dinosaur skeleton. The meteorite is one of only 400 Martian samples found on Earth.