Full Moon 2018: December's Full Moon will be the LONGEST of the year THE upcoming December Full Moon will be the single longest Full Moon phase of the year, astronomers have spectacularly revealed. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Mars water mystery SOLVED: Scientists uncover reason for Red Planet's disappearing 'seas'Trilobites: Give Thanks for the Winter Solstice. You Might Not Be Here Without It.SHOCK CLAIM: Robots will have babies with humans in 100 yearsDrilling in Arctic Refuge Gets a Green Light. What’s Next?Researchers Warn of a Spreading Fungus Deadly to SnakesRare marsupial’s ‘rediscovery’ bolsters hopes of Tasmanian tiger survival, says expert