PASADENA, Calif. - Mars' aging twin rovers will explore the red planet for at least two more years under an extension approved by NASA.
It is the fifth time the space agency has continued the activities of the solar-powered, six-wheel robots, which landed on opposite ends of the planet in 2004.
The extension means Spirit and Opportunity will conduct science experiments through 2009 provided they stay healthy. The rovers weathered a giant dust storm earlier this year that at one point drastically reduced their power and scaled back their operations.
The rover missions have truly been one of NASA's finest accomplishments, and I hope they continue to expand humanity's knowledge for years to come.
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