A rare blue micromoon arrives this weekend and won't be back until December 2028. Here's what to expect.

A blue micromoon will make a rare appearance this weekend, offering skywatchers a sight they won't have a chance to witness again until the very end of 2028. The blue micromoon is a blue moon that's the most distant and smallest-looking full moon of the year. In the Northern Hemisphere, people wil...