Sunday's full moon kicks off 'supermoon trilogy,' including lunar eclipse

Sunday night's Full Cold Moon -- a bigger and brighter full moon than usual -- will kick off a very special "supermoon trilogy," NASA says.The Dec. 3 full moon is the first of three consecutive supermoons, including a lunar eclipse. The other supermoons will happen on Jan. 1 and Jan. 31, 2018. You can watch Sunday's supermoon live online here, courtesy of the online astronomy service Slooh or directly from Slooh.com here.If you only have time to catch one of them, be sure to check out the "extra