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 ...

New images reveal that the strange Martian stripes on the slopes are formed by avalanches of dry dust, not liquid water.

A mounted Juvenile Ceratosaurus skeleton, of the Late Jurassic, Kimmeridgian Stage, estimated at $4 - 6 million, is displayed ...

The Martian rock is a rare collectible, as it is one of only 400 Martian meteorites recovered on Earth. The auction also ...

The odds of this getting from there to here are astronomically small, Sotheby’s Cassandra Hatton said, as record-breaking ...