Back in 2004, most experts would have said this story is impossible. No rover could possibly survive long enough on Mars for a five-year update. Yet here it is. Mission scientists reveal what Spirit and Opportunity are up to on the Red Planet today--and what their prospects are for the future.
FULL STORY at
http://science.nasa.gov/headlines/y2009/26mar_marsroverupdate.htm?list1052465
