Full Blue Moon: A Reason To Look Up On July 31 'Once in a blue moon' is literally happening on July 31 according to one of its two emerging definitions. Experts, however, say that the physical color of the moon may not actually resemble that of the vast ocean so set your expectations straight. by Rina Marie Doctor
China Launches World's Largest Electric Container Ship, Slashing 8,600 Pounds of Emissions per 100 Nautical Miles