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.
Published: 1:03 PM EST November 13, 2019
Updated: 12:47 PM EST November 13, 2019