Posted by tourdemars to Life on Mars at February 14, 2005 02:46 PM

With each passing day, those peppy robots on Mars – Spirit and Opportunity – churn out extraordinary new views of the red planet. Each android is over a year in operation, relaying a steady stream of eye-catching photos. And more than once, the Mars machinery has sent back an image that stirred up a promising eureka moment: Finding evidence for life on that remote world.