In March Madness, your bracket can be busted by an unexpected upset, leaving your dream of predicting the perfect outcome in shambles. On expeditions to Mars, outcomes are equally unpredictable, with a mission’s fate resting on anything from a software glitch to a cosmic dust storm to a mix-up between metric and imperial units. Today, Payload is excited to lift the wraps on our Mars Madness tournament and open the competition to all 16,000+ of our readers.