SPACE.com - 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.{br}{br}View the Entire Article (http://us.rd.yahoo.com/dailynews/rss/science/*http://story.news.yahoo.com/news?tmpl=story2&u=/space/20050214/sc_space/istherelifeonmarslookingforrocksolidevidence){br}