New York: For sale: A 25-kilogram rock. Estimated auction price: $US2 million to $US4 million ($6 million). Why so expensive?

The meteorite weighs over 25 kg and is 15 inches wide and is about 70 per cent bigger than any other piece of Mars ever found on Earth.

The biggest Martian meteorite ever found on Earth is heading to auction in New York. Here is a break down of what makes it ...

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

Somebody’s auction house is showcasing a one-of-a-kind dinosaur fossil in New York. The six-foot tall skeleton is the only known example of a juvenile Ceratosaurus. The 150 million year old fossilized ...

Named NWA 16788, this meteorite is believed to have been blasted off Mars by a colossal asteroid impact, hurtled 140 million ...

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

For those who associate Sotheby’s with blue-chip art sales, Geek Week is a reminder that the auction house doubles as a ...