Among items going up for auction at Sotheby's in New York is a 54-pound rock that the auction house calls the largest piece of Mars ever found on Earth.

The largest fragment of Mars ever discovered on Earth, a 54-pound meteorite named NWA 16788, is set to be auctioned at ...

Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

The Hermès Birkin prototype, originally made for Jane Birkin, sold at a Sotheby's auction in Paris for $10.1 million. What to ...

The winning bid for the original Birkin bag set a record for the most valuable handbag ever sold at auction, Sotheby's said.

A massive price tag isn't unheard of in the world of Birkins, but this one is surely the most iconic.

Sotheby’s may be better known for Warhols and Picassos, but this week, the Upper East Side auction house is going full geek. Through July 15, the annual Geek Week exhibition returns, transforming the ...

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

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

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

Scuffed, scratched and stained, this black leather Birkin bag just sold for €8.6 million ($10 million), with fees, becoming ...