Millions Of Miles From Shutdown, Mars Rovers Keep Working npr

The budget negotiations in Washington are not front-page news on Mars. There, millions of miles away, NASA’s rovers continue to operate, taking photographs and collecting data as they prepare for the coming Martian winter. The two rovers are taking in data and getting into strategic locations before winter arrives on Mars in a few months.
The scarcity of sunlight shouldn’t pose a challenge for Curiosity, whose systems are powered by heat generated by the radioactive decay of plutonium. NASA hopes that the older Opportunity, which powers itself with solar panels, will be aided by its position on a north-facing slope.