The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% ...

A 54-pound Martian meteorite could fetch up to $4 million at Sotheby’s. Cheryl Preheim marvels at the out-of-this-world auction lineup.

Of course, such a distinction is expected to also fetch a high price tag.Start the day smarter. Get all the news you need in your inbox each morning. Here's everything to know about the ...

A large piece of Mars is set for sale at Sotheby’s New York, with bidding starting at US$1.6 million ($2.43 million).