A Dutch non-profit venture called Mars One has plans to land two men and two women on the planet Mars. More than 200,000 people have volunteered to go on the one-way mission— with departure planned ...

If you were to stand on the surface of Mars in two years and look up to the night sky, you might see a bright streak flying across the heavens, followed a few minutes later by another. Rather than ...

For decades, the case for sending people to Mars has rested on a mix of romance, rivalry, and raw curiosity. Now a cluster of ...