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 ...

Sotheby's is putting some rare items up for auction, including what it 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 for auction at Sotheby's in New York.

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

A new film about Modigliani, directed by Johnny Depp,  Modigliani – Three Days on the Wing of Madness, is released this week.

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, ...