Blue Moon: See the Best Photos From NYC to Seattle

ABC NewsBlue Moon: See the Best Photos From NYC to SeattleABC NewsThere's a reason why "once in a blue moon" is a saying and Friday night proved it. A blue moon is defined as any time there is a second full moon during a calendar month, according to NASA. While most years have 12 full moons, this year has 13. Blue ...See an Incredible Photo of Friday Night's Blue MoonTIME#BlueMoon: Lady Liberty got a better view than we didTelegraph.co.ukBlue moon: You capture a rare lunar eventBBC NewsChristian Science Monitor -Space.com -euronewsall 276 news articles »