Learn the lunar cycle and 2026 moon phases, including new moon, full moon, and quarter phases. Discover dates, illumination, and tidal effects from NASA and Space.com.

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 ...

An image of a full moon. - Photo by Omer Tarsuslu/Anadolu via Getty Images We're onto day three of the lunar cycle, and the moon is starting to become more visible now. There's still some time until ...

It's hard to believe we're still a few days away from a full moon, especially when it looks almost there tonight. The lunar cycle is a series of eight unique phases of the moon's visibility, and we're ...

An image of a full moon. - Photo by Omer Tarsuslu/Anadolu via Getty Images It’s the New Moon tomorrow, which means the Moon is almost completely hidden tonight and there'll be barely any light to see ...

The first quarter Moon reaches perigee on Feb. 24, appearing slightly larger and brighter. Here is what to see in the night sky tonight.

Thanks to our lunar cycle, the moon is always changing how it appears to us. Tonight's moon is a little shy, and we can explain why. The lunar cycle is a series of eight phases of the moon's ...

It's a half moon tonight, with the whole of the right side on display for us. Keep reading to find out what this means, and where we are in the lunar cycle. The lunar cycle is a series of eight unique ...