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CBS News 8 - San Diego, CA News Station - KFMB Channel 8 | cbs8.com

Curiosity Rover Detects Strange Oxygen Fluctuations on Mars

After inhaling air in the Gale Crater over its three years on Mars (nearly 6 Earth years), NASA's Curiosity rover has revealed a mind-boggling oxygen enigma on the Red Planet that scientists can't explain.