A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

The auction house Sotheby’s has offered a new way to get a piece of Mars without entrusting your life to Elon Musk, who has pledged to send people to Mars by 2029: Buying a piece of it instead. A ...

Grande tête mince” — a bronze sculpture by Alberto Giacometti — failed to meet expectations at a recent Sotheby’s auction.

The very first auction that Christie’s conducted, back in London in 1766, was a single-owner collection sale of objects only identified as “the property of a Noble Personage (Deceas’d).” Presumably, ...

A private collector from Japan bought the prototype made for and owned by Jane Birkin.

Lauren Sánchez was the losing bidder for the original Hermès Birkin bag, which sold to a Japanese collector for a ...

Grace Hertlein’s collection is “a kaleidoscopic snapshot of the early decades of an art historical and technological ...

The well-worn prototype crushed the old record for the highest sale of a handbag, and became the second most expensive fashion item ever auctioned.

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

The sale now holds three titles: the most valuable handbag ever sold at auction, the new record for fashion item sold in ...

The 150-million-year-old specimen is valued at up to $6 million by Sotheby’s. Some paleontologists worry this auction and earlier ones are driving fossil market speculators.