These things (the rovers Spirit and Opportunity, to be more precise) are still running and still exploring Mars. Mars, what a wonderful place. A place where two space rovers can flourish unexpectedly.

NASA announced it was extending for the fifth time the mission of Mars space probes Spirit and Opportunity, in their indefatigable exploration of the Red planet.

The two robots touched down three weeks apart on Mars in January 2004 for an expected 90-day mission that instead could stretch out to 2009, the National Aeronautics and Space Administration said on its website.

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