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 ...

A huge and “incredibly rare” chunk of Mars that crash-landed in the Sahara will go on sale for nearly $2m at auction. Sotheby ...

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