We had been fitted out to explore Mars, not a bit of civilization from another star.

It will explore Mars with greater range than any other rover.

The amount of money available for exploring Mars is a big question.

The next best thing to exploring Mars is reading about it, right?

It would also serve as a base for exploring Mars and other planets.

Their interpretation, though controversial, excited new interest in exploring Mars.

Some space experts hold that robots are the best way to explore Mars.

Several hundred million dollars were spent in the effort to explore Mars.

Since then they have been making cars, vacuuming living rooms and exploring Mars.

You want her to die up there while people down here are saying that exploring Mars was all a big mistake?