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:U.K.’s First Polar Bear Born in 25 Years to Get Star TreatmentAssaults Increased When Cities Hosted Trump Rallies, Study FindsTrilobites: ‘Rewilding’ Missing Carnivores May Help Restore Some LandscapesThe Price French Bulldogs Pay for Being So CuteAstronauts Mark and Scott Kelly Are Still Identical Twins, Despite What You May Have ReadTrilobites: In Search of the Perfect Hair Dye