Be sure to tune in to your local PBS station tonight to watch NOVA's Welcome to Mars ---a documentary recounting the past year of the fantastic Mars rovers.
NASA's twin Mars rovers Spirit and Opportunity have yielded volumes of new data about the red planet in the last year - the least of which involves the planet's history of water. But the rovers have also amazed their human handlers with their longevity, lasting nearly four times their initial 90-day mission despite some early glitches that popped up after landing.Man-made robots rolling around on another planet. Does it get better than that?