Fuel leak disrupts NASA's 2nd shot at launching moon rocket

NASA's new moon rocket sprang another hazardous leak Saturday, as the launch team began fuelling it for liftoff on a test flight that must go well before astronauts climb aboard. For the second time this week, the launch team began loading nearly 1 million gallons of fuel into the 322-foot (98-metre) rocket, the most powerful ever built by NASA. Monday's attempt was halted by a bad engine sensor and leaking fuel. As the sun rose, an over-pressure alarm sounded and the tanking operation was brief