Mars Mysteries: Scientists Await New Surprises

The message from Mars is clear. After decades of collective scrutiny by robotic orbiters and landers, the red planet is a bewildering world still holding tight details as to its warmer and wetter past and conditions active today. A new wave of robotic spacecraft is en route to the red planet. Scientists are hopeful that this armada of hardware may be a turning point in unlocking the secrets of Mars, particularly the role of water in the planet