A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

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

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

The largest-known piece of Mars ever found on Earth is going up for auction on Wednesday and could fetch as much as $4 ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

The new test proved the capability of a new propellant that will enhance the rocket's performance, making a sample return mission from Mars increasingly viable.

Earth's Martian material goes up for auction at a prestigious auction house this week. The estimate? $2-4 million in Earth ...

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

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.