Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

This week in Skywatch, I want to go back to basics when it comes to the moon. So why does the moon change shape? Why is it a crescent on one night, a half-moon another night, and a full moon on yet ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Look to the southeast after dark on Friday, Saturday and ...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

How do we know when the next full moon is? We can consult an almanac, the Internet, or our handy full moon calendar, of course. But if you learn the moon phases, you can wager a pretty good guess no ...

How do we know when the next full moon is? While a full moon calendar comes in handy, learning the moon phases will help you predict when the next full moon will be. Another plus? You'll better ...