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

There are only 400 Martian meteorites out of the more than 77,000 officially recognized meteorites found on Earth.

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The Hermès Birkin prototype, originally made for Jane Birkin, sold at a Sotheby's auction in Paris for $10.1 million.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

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

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.