The biggest piece of Mars on Earth is going up for auction in New York The Lone Star State takes on Hollywood, Texas-style: ...

A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

The model Kite’s team built was unique in that it captured evolution of the Martian landscape and climate over an extremely ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

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